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53044452120 = 23351189451519
BaseRepresentation
bin110001011001101100…
…100001101100011000
312001220202111100210210
4301121230201230120
51332113334431440
640211314411120
73555330255312
oct613154415430
9161822440723
1053044452120
1120550234a90
12a344590aa0
13500471939a
1427d2bc87b2
1515a6cb9a80
hexc59b21b18

53044452120 has 128 divisors (see below), whose sum is σ = 175550976000. Its totient is φ = 12714746880.

The previous prime is 53044452091. The next prime is 53044452127. The reversal of 53044452120 is 2125444035.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53044452127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108280 + ... + 343239.

It is an arithmetic number, because the mean of its divisors is an integer number (1371492000).

Almost surely, 253044452120 is an apocalyptic number.

It is an amenable number.

53044452120 is an abundant number, since it is smaller than the sum of its proper divisors (122506523880).

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

53044452120 is a wasteful number, since it uses less digits than its factorization.

53044452120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451633 (or 451629 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 53044452120 its reverse (2125444035), we get a palindrome (55169896155).

The spelling of 53044452120 in words is "fifty-three billion, forty-four million, four hundred fifty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 89 110 120 132 165 178 220 264 267 330 356 440 445 534 660 712 890 979 1068 1320 1335 1780 1958 2136 2670 2937 3560 3916 4895 5340 5874 7832 9790 10680 11748 14685 19580 23496 29370 39160 58740 117480 451519 903038 1354557 1806076 2257595 2709114 3612152 4515190 4966709 5418228 6772785 9030380 9933418 10836456 13545570 14900127 18060760 19866836 24833545 27091140 29800254 39733672 40185191 49667090 54182280 59600508 74500635 80370382 99334180 119201016 120555573 149001270 160740764 198668360 200925955 241111146 298002540 321481528 401851910 442037101 482222292 596005080 602777865 803703820 884074202 964444584 1205555730 1326111303 1607407640 1768148404 2210185505 2411111460 2652222606 3536296808 4420371010 4822222920 5304445212 6630556515 8840742020 10608890424 13261113030 17681484040 26522226060 53044452120