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51443301100 = 22522334335099
BaseRepresentation
bin101111111010010000…
…100111101011101100
311220210011122110112011
4233322100213223230
51320323441113400
635344400251004
73500545562452
oct577220475354
9156704573464
1051443301100
111a8a9447584
129b78310a64
134b0aa9c749
1426c02b49d2
15151143e8ba
hexbfa427aec

51443301100 has 72 divisors (see below), whose sum is σ = 112392025200. Its totient is φ = 20437678080.

The previous prime is 51443301089. The next prime is 51443301103. The reversal of 51443301100 is 110334415.

It is a super-2 number, since 2×514433011002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51443301103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10086351 + ... + 10091449.

It is an arithmetic number, because the mean of its divisors is an integer number (1561000350).

Almost surely, 251443301100 is an apocalyptic number.

51443301100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51443301100 is an abundant number, since it is smaller than the sum of its proper divisors (60948724100).

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

51443301100 is a wasteful number, since it uses less digits than its factorization.

51443301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779 (or 5772 counting only the distinct ones).

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

Adding to 51443301100 its reverse (110334415), we get a palindrome (51553635515).

The spelling of 51443301100 in words is "fifty-one billion, four hundred forty-three million, three hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 233 433 466 866 932 1165 1732 2165 2330 4330 4660 5099 5825 8660 10198 10825 11650 20396 21650 23300 25495 43300 50990 100889 101980 127475 201778 254950 403556 504445 509900 1008890 1188067 2017780 2207867 2376134 2522225 4415734 4752268 5044450 5940335 8831468 10088900 11039335 11880670 22078670 23761340 29701675 44157340 55196675 59403350 110393350 118806700 220786700 514433011 1028866022 2057732044 2572165055 5144330110 10288660220 12860825275 25721650550 51443301100