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10204812155 = 52388737497
BaseRepresentation
bin10011000000100000…
…10001001101111011
3222100012011011120202
421200100101031323
5131344412442110
64404340312415
7510612320636
oct114020211573
928305134522
1010204812155
11436739445a
121b896a270b
13c6826abb5
146cb438c1d
153ead680a5
hex26041137b

10204812155 has 8 divisors (see below), whose sum is σ = 12778199712. Its totient is φ = 7808899648.

The previous prime is 10204812113. The next prime is 10204812157. The reversal of 10204812155 is 55121840201.

10204812155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10204812155 - 26 = 10204812091 is a prime.

It is a super-2 number, since 2×102048121552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10204812157) 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, 44368634 + ... + 44368863.

It is an arithmetic number, because the mean of its divisors is an integer number (1597274964).

Almost surely, 210204812155 is an apocalyptic number.

10204812155 is a deficient number, since it is larger than the sum of its proper divisors (2573387557).

10204812155 is an equidigital number, since it uses as much as digits as its factorization.

10204812155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88737525.

The product of its (nonzero) digits is 3200, while the sum is 29.

The spelling of 10204812155 in words is "ten billion, two hundred four million, eight hundred twelve thousand, one hundred fifty-five".

Divisors: 1 5 23 115 88737497 443687485 2040962431 10204812155