Base | Representation |
---|---|
bin | 111101001101010000… |
… | …1011010110001010001 |
3 | 110120021101022112110210 |
4 | 1322122201122301101 |
5 | 4123143004024140 |
6 | 140214450514333 |
7 | 12332146031250 |
oct | 1723241326121 |
9 | 416241275423 |
10 | 131441470545 |
11 | 50820313300 |
12 | 215835959a9 |
13 | c519713298 |
14 | 650cad4797 |
15 | 364469ad80 |
hex | 1e9a85ac51 |
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".
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