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101312320013 = 547185214479
BaseRepresentation
bin101111001011010101…
…1110101001000001101
3100200111122000002212122
41132112223311020031
53124441423220023
6114313042342325
710214420340242
oct1362653651015
9320448002778
10101312320013
1139a6a1885a3
121777535a9a5
13972766c268
144c9146b5c9
15297e5602c8
hex1796af520d

101312320013 has 4 divisors (see below), whose sum is σ = 101497535040. Its totient is φ = 101127104988.

The previous prime is 101312320009. The next prime is 101312320099. The reversal of 101312320013 is 310023213101.

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 101312320013 - 22 = 101312320009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101312319973 and 101312320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101312320003) 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, 92606693 + ... + 92607786.

It is an arithmetic number, because the mean of its divisors is an integer number (25374383760).

Almost surely, 2101312320013 is an apocalyptic number.

It is an amenable number.

101312320013 is a deficient number, since it is larger than the sum of its proper divisors (185215027).

101312320013 is an equidigital number, since it uses as much as digits as its factorization.

101312320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185215026.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 101312320013 its reverse (310023213101), we get a palindrome (411335533114).

The spelling of 101312320013 in words is "one hundred one billion, three hundred twelve million, three hundred twenty thousand, thirteen".

Divisors: 1 547 185214479 101312320013