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10043871980 = 225796356881
BaseRepresentation
bin10010101101010100…
…10101001011101100
3221220222022120011112
421112222111023230
5131032212400410
64340351011152
7503616334412
oct112652251354
927828276145
1010043871980
11429455a74a
121b43809ab8
13c40b0b51c
146b3d032b2
153dbb77105
hex256a952ec

10043871980 has 24 divisors (see below), whose sum is σ = 21359123520. Its totient is φ = 3966693120.

The previous prime is 10043871973. The next prime is 10043871997. The reversal of 10043871980 is 8917834001.

10043871980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3176861 + ... + 3180020.

It is an arithmetic number, because the mean of its divisors is an integer number (889963480).

Almost surely, 210043871980 is an apocalyptic number.

10043871980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10043871980 is an abundant number, since it is smaller than the sum of its proper divisors (11315251540).

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

10043871980 is a wasteful number, since it uses less digits than its factorization.

10043871980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356969 (or 6356967 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 10043871980 in words is "ten billion, forty-three million, eight hundred seventy-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 6356881 12713762 25427524 31784405 63568810 127137620 502193599 1004387198 2008774396 2510967995 5021935990 10043871980