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131043042204 = 22310920253517
BaseRepresentation
bin111101000001011000…
…1100010001110011100
3110112020121121021112120
41322002301202032130
54121334004322304
6140111135102540
712316240323504
oct1720261421634
9415217537476
10131043042204
1150636421188
1221492071a50
13c485002179
1464b1c1ca04
15361e6e80d9
hex1e82c6239c

131043042204 has 12 divisors (see below), whose sum is σ = 305767098504. Its totient is φ = 43681014064.

The previous prime is 131043042157. The next prime is 131043042209. The reversal of 131043042204 is 402240340131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131043042209) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5460126747 + ... + 5460126770.

It is an arithmetic number, because the mean of its divisors is an integer number (25480591542).

Almost surely, 2131043042204 is an apocalyptic number.

It is an amenable number.

131043042204 is an abundant number, since it is smaller than the sum of its proper divisors (174724056300).

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

131043042204 is a wasteful number, since it uses less digits than its factorization.

131043042204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10920253524 (or 10920253522 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 131043042204 its reverse (402240340131), we get a palindrome (533283382335).

The spelling of 131043042204 in words is "one hundred thirty-one billion, forty-three million, forty-two thousand, two hundred four".

Divisors: 1 2 3 4 6 12 10920253517 21840507034 32760760551 43681014068 65521521102 131043042204