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10191044161 = 43797733881
BaseRepresentation
bin10010111110110111…
…01111111001000001
3222022020020200110001
421133123233321001
5131332401403121
64403125240001
7510354306004
oct113733577101
928266220401
1010191044161
11435a640351
121b84b63001
13c6545a25c
146c969353b
153e9a48991
hex25f6efe41

10191044161 has 16 divisors (see below), whose sum is σ = 10576431360. Its totient is φ = 9812799360.

The previous prime is 10191044137. The next prime is 10191044177. The reversal of 10191044161 is 16144019101.

It is a cyclic number.

It is not a de Polignac number, because 10191044161 - 29 = 10191043649 is a prime.

10191044161 is a modest number, since divided by 44161 gives 10191 as remainder.

It is not an unprimeable number, because it can be changed into a prime (10191044131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2623941 + ... + 2627821.

It is an arithmetic number, because the mean of its divisors is an integer number (661026960).

Almost surely, 210191044161 is an apocalyptic number.

It is an amenable number.

10191044161 is a deficient number, since it is larger than the sum of its proper divisors (385387199).

10191044161 is an equidigital number, since it uses as much as digits as its factorization.

10191044161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 10191044161 in words is "ten billion, one hundred ninety-one million, forty-four thousand, one hundred sixty-one".

Divisors: 1 43 79 773 3397 3881 33239 61067 166883 306599 2625881 3000013 13183757 129000559 237001027 10191044161