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2872508816 = 241131588777
BaseRepresentation
bin1010101100110111…
…0000000110010000
321102012010120022102
42223031300012100
521340330240231
61153011455532
7131116631162
oct25315600620
97365116272
102872508816
111244502431
12681bb75a8
1336a166978
141d36da932
1511c2adacb
hexab370190

2872508816 has 20 divisors (see below), whose sum is σ = 5614741452. Its totient is φ = 1423543296.

The previous prime is 2872508803. The next prime is 2872508843. The reversal of 2872508816 is 6188052782.

It can be written as a sum of positive squares in 2 ways, for example, as 944947600 + 1927561216 = 30740^2 + 43904^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792581 + ... + 796196.

Almost surely, 22872508816 is an apocalyptic number.

It is an amenable number.

2872508816 is a deficient number, since it is larger than the sum of its proper divisors (2742232636).

2872508816 is a wasteful number, since it uses less digits than its factorization.

2872508816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588898 (or 1588892 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 2872508816 is about 53595.7910287739. The cubic root of 2872508816 is about 1421.5226700320.

The spelling of 2872508816 in words is "two billion, eight hundred seventy-two million, five hundred eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 113 226 452 904 1808 1588777 3177554 6355108 12710216 25420432 179531801 359063602 718127204 1436254408 2872508816