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131403352511452 = 22710247457985447
BaseRepresentation
bin11101111000001010111010…
…001001100001001111011100
3122020021001000120100022101111
4131320022322021201033130
5114210403031220331302
61143245511120351404
736451402400221420
oct3570127211411734
9566231016308344
10131403352511452
11389619378a5a3a
12128a2a24a75564
13584238a8c8938
142463d55b32b80
15102d181bd00d7
hex7782ba2613dc

131403352511452 has 24 divisors (see below), whose sum is σ = 262832352781824. Its totient is φ = 56310226556592.

The previous prime is 131403352511449. The next prime is 131403352511461. The reversal of 131403352511452 is 254115253304131.

It is a super-2 number, since 2×1314033525114522 (a number of 29 digits) contains 22 as substring.

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, 228705808 + ... + 229279639.

It is an arithmetic number, because the mean of its divisors is an integer number (10951348032576).

Almost surely, 2131403352511452 is an apocalyptic number.

It is an amenable number.

131403352511452 is an abundant number, since it is smaller than the sum of its proper divisors (131429000270372).

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

131403352511452 is a wasteful number, since it uses less digits than its factorization.

131403352511452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457995705 (or 457995703 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 131403352511452 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred fifty-two million, five hundred eleven thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 10247 20494 40988 71729 143458 286916 457985447 915970894 1831941788 3205898129 6411796258 12823592516 4692976875409 9385953750818 18771907501636 32850838127863 65701676255726 131403352511452