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52061131315600 = 2452112327972
BaseRepresentation
bin10111101011001011011010…
…01111010001100110010000
320211022222212202100201002221
423311211231033101212100
523310432144104044400
6302420315322350424
713652202236505121
oct1365455517214620
9224288782321087
1052061131315600
1115652002440100
125a0996765b414
132308460c0ac34
14cbdab4cbc048
1560436985ec1a
hex2f596d3d1990

52061131315600 has 135 divisors (see below), whose sum is σ = 137485377482691. Its totient is φ = 18930743251200.

The previous prime is 52061131315579. The next prime is 52061131315607. The reversal of 52061131315600 is 651313116025.

The square root of 52061131315600 is 7215340.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 15503339255184 + 36557792060416 = 3937428^2 + 6046304^2 .

It is a super-2 number, since 2×520611313156002 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52061131315607) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1587358402 + ... + 1587391198.

Almost surely, 252061131315600 is an apocalyptic number.

52061131315600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52061131315600 is the 7215340-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52061131315600

52061131315600 is an abundant number, since it is smaller than the sum of its proper divisors (85424246167091).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52061131315600 is an frugal number, since it uses more digits than its factorization.

52061131315600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65634 (or 32815 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 52061131315600 in words is "fifty-two trillion, sixty-one billion, one hundred thirty-one million, three hundred fifteen thousand, six hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 121 176 200 220 242 275 400 440 484 550 605 880 968 1100 1210 1936 2200 2420 3025 4400 4840 6050 9680 12100 24200 32797 48400 65594 131188 163985 262376 327970 360767 524752 655940 721534 819925 1311880 1443068 1639850 1803835 2623760 2886136 3279700 3607670 3968437 5772272 6559400 7215340 7936874 9019175 13118800 14430680 15873748 18038350 19842185 28861360 31747496 36076700 39684370 63494992 72153400 79368740 99210925 144306800 158737480 198421850 317474960 396843700 793687400 1075643209 1587374800 2151286418 4302572836 5378216045 8605145672 10756432090 11832075299 17210291344 21512864180 23664150598 26891080225 43025728360 47328301196 53782160450 59160376495 86051456720 94656602392 107564320900 118320752990 130152828289 189313204784 215128641800 236641505980 260305656578 295801882475 430257283600 473283011960 520611313156 591603764950 650764141445 946566023920 1041222626312 1183207529900 1301528282890 2082445252624 2366415059800 2603056565780 3253820707225 4732830119600 5206113131560 6507641414450 10412226263120 13015282828900 26030565657800 52061131315600