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10206165113 = 73139810481
BaseRepresentation
bin10011000000101010…
…11011100001111001
3222100021200220111022
421200111123201321
5131400234240423
64404425312225
7510626654264
oct114025334171
928307626438
1010206165113
114368128a01
121b8a035675
13c68622971
146cb6abcdb
153eb033dc8
hex26055b879

10206165113 has 4 divisors (see below), whose sum is σ = 10345975668. Its totient is φ = 10066354560.

The previous prime is 10206165071. The next prime is 10206165119. The reversal of 10206165113 is 31156160201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4657107049 + 5549058064 = 68243^2 + 74492^2 .

It is a cyclic number.

It is not a de Polignac number, because 10206165113 - 218 = 10205902969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10206165119) 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, 69905168 + ... + 69905313.

It is an arithmetic number, because the mean of its divisors is an integer number (2586493917).

Almost surely, 210206165113 is an apocalyptic number.

It is an amenable number.

10206165113 is a deficient number, since it is larger than the sum of its proper divisors (139810555).

10206165113 is an equidigital number, since it uses as much as digits as its factorization.

10206165113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139810554.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 10206165113 in words is "ten billion, two hundred six million, one hundred sixty-five thousand, one hundred thirteen".

Divisors: 1 73 139810481 10206165113