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2899900857 = 371912632749
BaseRepresentation
bin1010110011011000…
…1111100110111001
321111002200020010110
42230312033212321
521414333311412
61155430534533
7131601515310
oct25466174671
97432606113
102899900857
111258a11487
1268b207449
13372a37889
141d71cb277
1511e8bed3c
hexacd8f9b9

2899900857 has 32 divisors (see below), whose sum is σ = 4460544000. Its totient is φ = 1641545280.

The previous prime is 2899900823. The next prime is 2899900933. The reversal of 2899900857 is 7580099982.

It is not a de Polignac number, because 2899900857 - 26 = 2899900793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2899900797 and 2899900806.

It is not an unprimeable number, because it can be changed into a prime (2899900657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1053519 + ... + 1056267.

It is an arithmetic number, because the mean of its divisors is an integer number (139392000).

Almost surely, 22899900857 is an apocalyptic number.

It is an amenable number.

2899900857 is a deficient number, since it is larger than the sum of its proper divisors (1560643143).

2899900857 is a wasteful number, since it uses less digits than its factorization.

2899900857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The square root of 2899900857 is about 53850.7275438318. The cubic root of 2899900857 is about 1426.0268961301.

The spelling of 2899900857 in words is "two billion, eight hundred ninety-nine million, nine hundred thousand, eight hundred fifty-seven".

Divisors: 1 3 7 21 191 263 573 789 1337 1841 2749 4011 5523 8247 19243 50233 57729 150699 351631 525059 722987 1054893 1575177 2168961 3675413 5060909 11026239 15182727 138090517 414271551 966633619 2899900857