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2013247117 = 71724312309
BaseRepresentation
bin111011111111111…
…1011011010001101
312012022021112212001
41313333323122031
513110342401432
6531434512301
7100614214060
oct16777733215
95168245761
102013247117
119434753a2
12482295691
13261134bab
141515468d7
15bbb2c9e7
hex77ffb68d

2013247117 has 24 divisors (see below), whose sum is σ = 2450891520. Its totient is φ = 1619662080.

The previous prime is 2013247097. The next prime is 2013247123. The reversal of 2013247117 is 7117423102.

It is not a de Polignac number, because 2013247117 - 223 = 2004858509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013247127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 870759 + ... + 873067.

It is an arithmetic number, because the mean of its divisors is an integer number (102120480).

Almost surely, 22013247117 is an apocalyptic number.

It is an amenable number.

2013247117 is a deficient number, since it is larger than the sum of its proper divisors (437644403).

2013247117 is a wasteful number, since it uses less digits than its factorization.

2013247117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781 (or 2764 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 2013247117 is about 44869.2223801572. Note that the first 3 decimals coincide. The cubic root of 2013247117 is about 1262.6966510261.

The spelling of 2013247117 in words is "two billion, thirteen million, two hundred forty-seven thousand, one hundred seventeen".

Divisors: 1 7 17 119 289 431 2023 2309 3017 7327 16163 39253 51289 124559 274771 667301 871913 995179 4671107 6966253 16918043 118426301 287606731 2013247117