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10139773897 = 112218941543
BaseRepresentation
bin10010111000110000…
…01010101111001001
3222011122202212212101
421130120022233021
5131231240231042
64354054313401
7506162441011
oct113430125711
928148685771
1010139773897
114333702230
121b6b958861
13c57948916
146c2948c41
153e52bc6b7
hex25c60abc9

10139773897 has 8 divisors (see below), whose sum is σ = 11062336320. Its totient is φ = 9217338960.

The previous prime is 10139773883. The next prime is 10139773927. The reversal of 10139773897 is 79837793101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10139773897 - 211 = 10139771849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10139773867) 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, 223308 + ... + 264850.

It is an arithmetic number, because the mean of its divisors is an integer number (1382792040).

Almost surely, 210139773897 is an apocalyptic number.

It is an amenable number.

10139773897 is a deficient number, since it is larger than the sum of its proper divisors (922562423).

10139773897 is a wasteful number, since it uses less digits than its factorization.

10139773897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63743.

The product of its (nonzero) digits is 2000376, while the sum is 55.

The spelling of 10139773897 in words is "ten billion, one hundred thirty-nine million, seven hundred seventy-three thousand, eight hundred ninety-seven".

Divisors: 1 11 22189 41543 244079 456973 921797627 10139773897