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10205816864 = 251923729821
BaseRepresentation
bin10011000000101000…
…00110100000100000
3222100021001012210012
421200110012200200
5131400142114424
64404414024052
7510624004055
oct114024064040
928307035705
1010205816864
114367a102a1
121b89aa8028
13c685302b9
146cb61b02c
153eaeb5b0e
hex260506820

10205816864 has 48 divisors (see below), whose sum is σ = 22069817280. Its totient is φ = 4624139520.

The previous prime is 10205816861. The next prime is 10205816891. The reversal of 10205816864 is 46861850201.

It is not an unprimeable number, because it can be changed into a prime (10205816861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350927 + ... + 378894.

It is an arithmetic number, because the mean of its divisors is an integer number (459787860).

Almost surely, 210205816864 is an apocalyptic number.

It is an amenable number.

10205816864 is an abundant number, since it is smaller than the sum of its proper divisors (11864000416).

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

10205816864 is a wasteful number, since it uses less digits than its factorization.

10205816864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729873 (or 729865 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 10205816864 in words is "ten billion, two hundred five million, eight hundred sixteen thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 16 19 23 32 38 46 76 92 152 184 304 368 437 608 736 874 1748 3496 6992 13984 729821 1459642 2919284 5838568 11677136 13866599 16785883 23354272 27733198 33571766 55466396 67143532 110932792 134287064 221865584 268574128 318931777 443731168 537148256 637863554 1275727108 2551454216 5102908432 10205816864