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2013058025 = 52117320211
BaseRepresentation
bin111011111111100…
…1101001111101001
312012021220221110122
41313333031033221
513110320324100
6531430453025
7100612465556
oct16777151751
95167827418
102013058025
11943356320
12482204175
13261099ac4
141514d7a2d
15bbae1985
hex77fcd3e9

2013058025 has 12 divisors (see below), whose sum is σ = 2723118864. Its totient is φ = 1464042000.

The previous prime is 2013057983. The next prime is 2013058027. The reversal of 2013058025 is 5208503102.

It is not a de Polignac number, because 2013058025 - 28 = 2013057769 is a prime.

It is a super-2 number, since 2×20130580252 = 8104805224033801250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013057985 and 2013058003.

It is not an unprimeable number, because it can be changed into a prime (2013058027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3659831 + ... + 3660380.

It is an arithmetic number, because the mean of its divisors is an integer number (226926572).

Almost surely, 22013058025 is an apocalyptic number.

2013058025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2013058025 is a deficient number, since it is larger than the sum of its proper divisors (710060839).

2013058025 is a wasteful number, since it uses less digits than its factorization.

2013058025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320232 (or 7320227 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2013058025 is about 44867.1151847319. The cubic root of 2013058025 is about 1262.6571173280.

The spelling of 2013058025 in words is "two billion, thirteen million, fifty-eight thousand, twenty-five".

Divisors: 1 5 11 25 55 275 7320211 36601055 80522321 183005275 402611605 2013058025