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10051720165 = 55997974211
BaseRepresentation
bin10010101110010000…
…10001001111100101
3221221112002021212001
421113020101033211
5131041220021130
64341231125301
7504043132414
oct112710211745
927845067761
1010051720165
114298a30153
121b46373831
13c42628816
146b4d8747b
153dc6c76ca
hex2572113e5

10051720165 has 16 divisors (see below), whose sum is σ = 12100233600. Its totient is φ = 8015974720.

The previous prime is 10051720163. The next prime is 10051720171. The reversal of 10051720165 is 56102715001.

It is not a de Polignac number, because 10051720165 - 21 = 10051720163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10051720163) 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, 2384910 + ... + 2389120.

It is an arithmetic number, because the mean of its divisors is an integer number (756264600).

Almost surely, 210051720165 is an apocalyptic number.

It is an amenable number.

10051720165 is a deficient number, since it is larger than the sum of its proper divisors (2048513435).

10051720165 is an equidigital number, since it uses as much as digits as its factorization.

10051720165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612.

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 10051720165 in words is "ten billion, fifty-one million, seven hundred twenty thousand, one hundred sixty-five".

Divisors: 1 5 599 797 2995 3985 4211 21055 477403 2387015 2522389 3356167 12611945 16780835 2010344033 10051720165