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2051830300 = 22521317227409
BaseRepresentation
bin111101001001100…
…0111001000011100
312021222212210000211
41322103013020130
513200232032200
6535333502204
7101563161352
oct17223071034
95258783024
102051830300
11963228523
124931a1964
13269123890
1415670b7d2
15c01eeaba
hex7a4c721c

2051830300 has 144 divisors (see below), whose sum is σ = 5111860320. Its totient is φ = 708157440.

The previous prime is 2051830289. The next prime is 2051830307. The reversal of 2051830300 is 30381502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051830307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5016496 + ... + 5016904.

It is an arithmetic number, because the mean of its divisors is an integer number (35499030).

Almost surely, 22051830300 is an apocalyptic number.

2051830300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051830300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555930160).

2051830300 is an abundant number, since it is smaller than the sum of its proper divisors (3060030020).

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

2051830300 is a wasteful number, since it uses less digits than its factorization.

2051830300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2051830300 is about 45297.1334633882. The cubic root of 2051830300 is about 1270.7120441323.

The spelling of 2051830300 in words is "two billion, fifty-one million, eight hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 13 17 20 25 26 34 50 52 65 68 85 100 130 170 221 227 260 325 340 409 425 442 454 650 818 850 884 908 1105 1135 1300 1636 1700 2045 2210 2270 2951 3859 4090 4420 4540 5317 5525 5675 5902 6953 7718 8180 10225 10634 11050 11350 11804 13906 14755 15436 19295 20450 21268 22100 22700 26585 27812 29510 34765 38590 40900 50167 53170 59020 69530 73775 77180 90389 92843 96475 100334 106340 132925 139060 147550 173825 180778 185686 192950 200668 250835 265850 295100 347650 361556 371372 385900 451945 464215 501670 531700 695300 903890 928430 1003340 1206959 1254175 1578331 1807780 1856860 2259725 2321075 2413918 2508350 3156662 4519450 4642150 4827836 5016700 6034795 6313324 7891655 9038900 9284300 12069590 15783310 20518303 24139180 30173975 31566620 39458275 41036606 60347950 78916550 82073212 102591515 120695900 157833100 205183030 410366060 512957575 1025915150 2051830300