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131002012102 = 21371299923663
BaseRepresentation
bin111101000000001010…
…1000001000111000110
3110112010202101201211011
41322000111001013012
54121243003341402
6140103111432434
712315231505303
oct1720025010706
9415122351734
10131002012102
1150615247705
122148038571a
13c4796677c0
1464aa5bc0aa
15361ace0ed7
hex1e805411c6

131002012102 has 32 divisors (see below), whose sum is σ = 214679808000. Its totient is φ = 59588487840.

The previous prime is 131002012073. The next prime is 131002012139. The reversal of 131002012102 is 201210200131.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5524323 + ... + 5547985.

It is an arithmetic number, because the mean of its divisors is an integer number (6708744000).

Almost surely, 2131002012102 is an apocalyptic number.

131002012102 is a deficient number, since it is larger than the sum of its proper divisors (83677795898).

131002012102 is a wasteful number, since it uses less digits than its factorization.

131002012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26748.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 131002012102 its reverse (201210200131), we get a palindrome (332212212233).

It can be divided in two parts, 13100 and 2012102, that added together give a palindrome (2025202).

The spelling of 131002012102 in words is "one hundred thirty-one billion, two million, twelve thousand, one hundred two".

Divisors: 1 2 13 26 71 142 923 1846 2999 5998 23663 38987 47326 77974 212929 307619 425858 615238 1680073 2768077 3360146 5536154 21840949 43681898 70965337 141930674 922549381 1845098762 5038538927 10077077854 65501006051 131002012102