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131113514542 = 2433151401287
BaseRepresentation
bin111101000011011111…
…0010111011000101110
3110112102112012122102011
41322012332113120232
54122010024431132
6140122133351434
712321054325303
oct1720676273056
9415375178364
10131113514542
115067218508a
12214b179857a
13c4967a798a
1464bb3250aa
1536259b8b47
hex1e86f9762e

131113514542 has 8 divisors (see below), whose sum is σ = 197124476976. Its totient is φ = 65405355552.

The previous prime is 131113514531. The next prime is 131113514579. The reversal of 131113514542 is 245415311131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75699778 + ... + 75701509.

It is an arithmetic number, because the mean of its divisors is an integer number (24640559622).

Almost surely, 2131113514542 is an apocalyptic number.

131113514542 is a deficient number, since it is larger than the sum of its proper divisors (66010962434).

131113514542 is a wasteful number, since it uses less digits than its factorization.

131113514542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151401722.

The product of its digits is 7200, while the sum is 31.

Adding to 131113514542 its reverse (245415311131), we get a palindrome (376528825673).

The spelling of 131113514542 in words is "one hundred thirty-one billion, one hundred thirteen million, five hundred fourteen thousand, five hundred forty-two".

Divisors: 1 2 433 866 151401287 302802574 65556757271 131113514542