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131413522242 = 23107713203339
BaseRepresentation
bin111101001100011011…
…0110011011101000010
3110120012102201121121110
41322120312303131002
54123113330202432
6140212011504150
712331356336312
oct1723066633502
9416172647543
10131413522242
1150806564332
1221576158056
13c5139a9122
1465090db442
153641ec9dcc
hex1e98db3742

131413522242 has 16 divisors (see below), whose sum is σ = 262830777120. Its totient is φ = 43803885312.

The previous prime is 131413522241. The next prime is 131413522259. The reversal of 131413522242 is 242225314131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131413522241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544609 + ... + 747947.

It is an arithmetic number, because the mean of its divisors is an integer number (16426923570).

Almost surely, 2131413522242 is an apocalyptic number.

131413522242 is an abundant number, since it is smaller than the sum of its proper divisors (131417254878).

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

131413522242 is a wasteful number, since it uses less digits than its factorization.

131413522242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311057.

The product of its digits is 11520, while the sum is 30.

Adding to 131413522242 its reverse (242225314131), we get a palindrome (373638836373).

The spelling of 131413522242 in words is "one hundred thirty-one billion, four hundred thirteen million, five hundred twenty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 107713 203339 215426 323139 406678 610017 646278 1220034 21902253707 43804507414 65706761121 131413522242