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131468581047530 = 2559322170081121
BaseRepresentation
bin11101111001000111101010…
…000100101000110011101010
3122020111021101110100021021002
4131321013222010220303222
5114212440123222010110
61143335455442315002
736456201665511506
oct3571075204506352
9566437343307232
10131468581047530
113898756a6935a1
12128b35a9958a62
13584858465054c
142467182b77306
15102ebed47daa5
hex7791ea128cea

131468581047530 has 16 divisors (see below), whose sum is σ = 237042507356424. Its totient is φ = 52498752092160.

The previous prime is 131468581047511. The next prime is 131468581047571. The reversal of 131468581047530 is 35740185864131.

It can be written as a sum of positive squares in 4 ways, for example, as 76341267547801 + 55127313499729 = 8737349^2 + 7424777^2 .

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, 11085034631 + ... + 11085046490.

Almost surely, 2131468581047530 is an apocalyptic number.

131468581047530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131468581047530 is a deficient number, since it is larger than the sum of its proper divisors (105573926308894).

131468581047530 is a wasteful number, since it uses less digits than its factorization.

131468581047530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22170081721.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 131468581047530 in words is "one hundred thirty-one trillion, four hundred sixty-eight billion, five hundred eighty-one million, forty-seven thousand, five hundred thirty".

Divisors: 1 2 5 10 593 1186 2965 5930 22170081121 44340162242 110850405605 221700811210 13146858104753 26293716209506 65734290523765 131468581047530