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201310230013 = 253179537823
BaseRepresentation
bin1011101101111100000…
…1100101010111111101
3201020121122201021011221
42323133001211113331
511244240404330023
6232251452513341
720354440502404
oct2733701452775
9636548637157
10201310230013
1178414416422
123302247b851
1315ca28c95c9
149a5a10663b
1553834d585d
hex2edf0655fd

201310230013 has 4 divisors (see below), whose sum is σ = 201389770368. Its totient is φ = 201230689660.

The previous prime is 201310229987. The next prime is 201310230019. The reversal of 201310230013 is 310032013102.

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.

It is a cyclic number.

It is not a de Polignac number, because 201310230013 - 225 = 201276675581 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 (201310230019) 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, 39766381 + ... + 39771442.

It is an arithmetic number, because the mean of its divisors is an integer number (50347442592).

Almost surely, 2201310230013 is an apocalyptic number.

It is an amenable number.

201310230013 is a deficient number, since it is larger than the sum of its proper divisors (79540355).

201310230013 is an equidigital number, since it uses as much as digits as its factorization.

201310230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79540354.

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

Adding to 201310230013 its reverse (310032013102), we get a palindrome (511342243115).

The spelling of 201310230013 in words is "two hundred one billion, three hundred ten million, two hundred thirty thousand, thirteen".

Divisors: 1 2531 79537823 201310230013