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113020032013 = 716145718859
BaseRepresentation
bin110100101000010000…
…1001101010000001101
3101210201120010111110121
41221100201031100031
53322431112011023
6123530511304541
711110512264340
oct1512041152015
9353646114417
10113020032013
1143a27952939
1219aa221b151
13a8720a62b5
145682322457
152e172e6d5d
hex1a5084d40d

113020032013 has 4 divisors (see below), whose sum is σ = 129165750880. Its totient is φ = 96874313148.

The previous prime is 113020031987. The next prime is 113020032031. The reversal of 113020032013 is 310230020311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310230020311 = 1372264452703.

It is a cyclic number.

It is not a de Polignac number, because 113020032013 - 229 = 112483161101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113020032113) 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, 8072859423 + ... + 8072859436.

It is an arithmetic number, because the mean of its divisors is an integer number (32291437720).

Almost surely, 2113020032013 is an apocalyptic number.

It is an amenable number.

113020032013 is a deficient number, since it is larger than the sum of its proper divisors (16145718867).

113020032013 is an equidigital number, since it uses as much as digits as its factorization.

113020032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16145718866.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 113020032013 its reverse (310230020311), we get a palindrome (423250052324).

The spelling of 113020032013 in words is "one hundred thirteen billion, twenty million, thirty-two thousand, thirteen".

Divisors: 1 7 16145718859 113020032013