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321013124112013 = 1791793369408447
BaseRepresentation
bin100100011111101011011000…
…1001110110001111010001101
31120002121112222120011111010121
41020333112301032301322031
5314033434334233041023
63054423220544104541
7124421301320414164
oct11077266116617215
91502545876144117
10321013124112013
11933149a0848013
12300065b1905151
1310a1753b98c828
14593b1921323db
15271a44c226d5d
hex123f5b13b1e8d

321013124112013 has 4 divisors (see below), whose sum is σ = 322806493520640. Its totient is φ = 319219754703388.

The previous prime is 321013124112007. The next prime is 321013124112019. The reversal of 321013124112013 is 310211421310123.

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 an interprime number because it is at equal distance from previous prime (321013124112007) and next prime (321013124112019).

It is a cyclic number.

It is not a de Polignac number, because 321013124112013 - 213 = 321013124103821 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 (321013124112019) 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, 896684704045 + ... + 896684704402.

It is an arithmetic number, because the mean of its divisors is an integer number (80701623380160).

Almost surely, 2321013124112013 is an apocalyptic number.

It is an amenable number.

321013124112013 is a deficient number, since it is larger than the sum of its proper divisors (1793369408627).

321013124112013 is a wasteful number, since it uses less digits than its factorization.

321013124112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793369408626.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 321013124112013 its reverse (310211421310123), we get a palindrome (631224545422136).

The spelling of 321013124112013 in words is "three hundred twenty-one trillion, thirteen billion, one hundred twenty-four million, one hundred twelve thousand, thirteen".

Divisors: 1 179 1793369408447 321013124112013