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131202021102 = 2343150735507
BaseRepresentation
bin111101000110000111…
…1111111011011101110
3110112122200202020120220
41322030033333123232
54122200204133402
6140135014352210
712323210531025
oct1721417773356
9415580666526
10131202021102
11507081363a9
122151735b666
13c4abc25c19
1464c8da38bc
15362d64cdbc
hex1e8c3ff6ee

131202021102 has 16 divisors (see below), whose sum is σ = 263012873472. Its totient is φ = 43632535160.

The previous prime is 131202021023. The next prime is 131202021121. The reversal of 131202021102 is 201120202131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25365168 + ... + 25370339.

It is an arithmetic number, because the mean of its divisors is an integer number (16438304592).

Almost surely, 2131202021102 is an apocalyptic number.

131202021102 is an abundant number, since it is smaller than the sum of its proper divisors (131810852370).

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

131202021102 is a wasteful number, since it uses less digits than its factorization.

131202021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50735943.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 131202021102 its reverse (201120202131), we get a palindrome (332322223233).

The spelling of 131202021102 in words is "one hundred thirty-one billion, two hundred two million, twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 431 862 1293 2586 50735507 101471014 152206521 304413042 21867003517 43734007034 65601010551 131202021102