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131441470545 = 35711210345649
BaseRepresentation
bin111101001101010000…
…1011010110001010001
3110120021101022112110210
41322122201122301101
54123143004024140
6140214450514333
712332146031250
oct1723241326121
9416241275423
10131441470545
1150820313300
12215835959a9
13c519713298
14650cad4797
15364469ad80
hex1e9a85ac51

131441470545 has 48 divisors (see below), whose sum is σ = 264186518400. Its totient is φ = 54625021440.

The previous prime is 131441470493. The next prime is 131441470561. The reversal of 131441470545 is 545074144131.

It is not a de Polignac number, because 131441470545 - 26 = 131441470481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5160120 + ... + 5185529.

It is an arithmetic number, because the mean of its divisors is an integer number (5503885800).

Almost surely, 2131441470545 is an apocalyptic number.

131441470545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131441470545 is an abundant number, since it is smaller than the sum of its proper divisors (132745047855).

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

131441470545 is a wasteful number, since it uses less digits than its factorization.

131441470545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345686 (or 10345675 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 131441470545 in words is "one hundred thirty-one billion, four hundred forty-one million, four hundred seventy thousand, five hundred forty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 121 165 231 363 385 605 847 1155 1815 2541 4235 12705 10345649 31036947 51728245 72419543 113802139 155184735 217258629 341406417 362097715 569010695 796614973 1086293145 1251823529 1707032085 2389844919 3755470587 3983074865 6259117645 8762764703 11949224595 18777352935 26288294109 43813823515 131441470545