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7313020013 = 1316719717099
BaseRepresentation
bin1101100111110001…
…11101010001101101
3200212122201220112002
412303320331101231
5104434113120023
63205355222045
7346136434025
oct66370752155
920778656462
107313020013
1131130111a2
121501147925
138c71120a0
144d535ca85
152cc04ab28
hex1b3e3d46d

7313020013 has 16 divisors (see below), whose sum is σ = 7963401600. Its totient is φ = 6675606336.

The previous prime is 7313020009. The next prime is 7313020021. The reversal of 7313020013 is 3100203137.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7313020013 - 22 = 7313020009 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 (7313020003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419138 + ... + 436236.

It is an arithmetic number, because the mean of its divisors is an integer number (497712600).

Almost surely, 27313020013 is an apocalyptic number.

It is an amenable number.

7313020013 is a deficient number, since it is larger than the sum of its proper divisors (650381587).

7313020013 is a wasteful number, since it uses less digits than its factorization.

7313020013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17476.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 7313020013 is about 85516.1973721938. The cubic root of 7313020013 is about 1941.0300277338.

The spelling of 7313020013 in words is "seven billion, three hundred thirteen million, twenty thousand, thirteen".

Divisors: 1 13 167 197 2171 2561 17099 32899 222287 427687 2855533 3368503 37121929 43790539 562540001 7313020013