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10084644857 = 71440663551
BaseRepresentation
bin10010110010001011…
…10111011111111001
3222000211001001001002
421121011313133321
5131123132113412
64344404534345
7504623031650
oct113105673771
928024031032
1010084644857
114305578a41
121b553b13b5
13c493b5aa1
146b94b8197
153e052cdc2
hex2591777f9

10084644857 has 4 divisors (see below), whose sum is σ = 11525308416. Its totient is φ = 8643981300.

The previous prime is 10084644833. The next prime is 10084644863. The reversal of 10084644857 is 75844648001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10084644857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10084644887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720331769 + ... + 720331782.

It is an arithmetic number, because the mean of its divisors is an integer number (2881327104).

Almost surely, 210084644857 is an apocalyptic number.

It is an amenable number.

10084644857 is a deficient number, since it is larger than the sum of its proper divisors (1440663559).

10084644857 is an equidigital number, since it uses as much as digits as its factorization.

10084644857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440663558.

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 10084644857 in words is "ten billion, eighty-four million, six hundred forty-four thousand, eight hundred fifty-seven".

Divisors: 1 7 1440663551 10084644857