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20311413006 = 2343671175021
BaseRepresentation
bin10010111010101001…
…111001000100001110
31221102112111200120210
4102322221321010032
5313044210204011
613155252023250
71316223106353
oct227251710416
957375450523
1020311413006
118683299245
123b2a301b26
131bb90704a1
14da97ca62a
157dd2816a6
hex4baa7910e

20311413006 has 32 divisors (see below), whose sum is σ = 42187989888. Its totient is φ = 6514310880.

The previous prime is 20311412951. The next prime is 20311413029. The reversal of 20311413006 is 60031411302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570225 + ... + 604796.

It is an arithmetic number, because the mean of its divisors is an integer number (1318374684).

Almost surely, 220311413006 is an apocalyptic number.

20311413006 is an abundant number, since it is smaller than the sum of its proper divisors (21876576882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20311413006 is a wasteful number, since it uses less digits than its factorization.

20311413006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175136.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20311413006 its reverse (60031411302), we get a palindrome (80342824308).

The spelling of 20311413006 in words is "twenty billion, three hundred eleven million, four hundred thirteen thousand, six".

Divisors: 1 2 3 6 43 67 86 129 134 201 258 402 2881 5762 8643 17286 1175021 2350042 3525063 7050126 50525903 78726407 101051806 151577709 157452814 236179221 303155418 472358442 3385235501 6770471002 10155706503 20311413006