Base | Representation |
---|---|
bin | 111101001001100010… |
… | …0100101001100001100 |
3 | 110112221200002212200222 |
4 | 1322103010211030030 |
5 | 4122414004024130 |
6 | 140154223410512 |
7 | 12326100403613 |
oct | 1722304451414 |
9 | 415850085628 |
10 | 131316470540 |
11 | 507667a6a12 |
12 | 21549753a38 |
13 | c4c9858598 |
14 | 64da27687a |
15 | 3638708ce5 |
hex | 1e9312530c |
131316470540 has 12 divisors (see below), whose sum is σ = 275764588176. Its totient is φ = 52526588208.
The previous prime is 131316470531. The next prime is 131316470543. The reversal of 131316470540 is 45074613131.
It is a self number, because there is not a number n which added to its sum of digits gives 131316470540.
It is not an unprimeable number, because it can be changed into a prime (131316470543) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3282911744 + ... + 3282911783.
It is an arithmetic number, because the mean of its divisors is an integer number (22980382348).
Almost surely, 2131316470540 is an apocalyptic number.
131316470540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131316470540 is an abundant number, since it is smaller than the sum of its proper divisors (144448117636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131316470540 is a wasteful number, since it uses less digits than its factorization.
131316470540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6565823536 (or 6565823534 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 35.
The spelling of 131316470540 in words is "one hundred thirty-one billion, three hundred sixteen million, four hundred seventy thousand, five hundred forty".
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