Base | Representation |
---|---|
bin | 111101001101110110… |
… | …0011110101100111111 |
3 | 110120022202100020010020 |
4 | 1322123230132230333 |
5 | 4123213023204310 |
6 | 140220432343223 |
7 | 12332505213321 |
oct | 1723354365477 |
9 | 416282306106 |
10 | 131461147455 |
11 | 50830432910 |
12 | 2158a0a4b13 |
13 | c520812621 |
14 | 6511577611 |
15 | 3646286170 |
hex | 1e9bb1eb3f |
131461147455 has 32 divisors (see below), whose sum is σ = 229816500480. Its totient is φ = 63639559680.
The previous prime is 131461147453. The next prime is 131461147463. The reversal of 131461147455 is 554741164131.
It is not a de Polignac number, because 131461147455 - 21 = 131461147453 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131461147451) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513450 + ... + 725639.
It is an arithmetic number, because the mean of its divisors is an integer number (7181765640).
Almost surely, 2131461147455 is an apocalyptic number.
131461147455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131461147455 is a deficient number, since it is larger than the sum of its proper divisors (98355353025).
131461147455 is a wasteful number, since it uses less digits than its factorization.
131461147455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1239751.
The product of its digits is 201600, while the sum is 42.
The spelling of 131461147455 in words is "one hundred thirty-one billion, four hundred sixty-one million, one hundred forty-seven thousand, four hundred fifty-five".
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