Base | Representation |
---|---|
bin | 111101001100100101… |
… | …0010000011000011011 |
3 | 110120012210022200102122 |
4 | 1322121022100120123 |
5 | 4123121131341332 |
6 | 140212313051455 |
7 | 12331450565000 |
oct | 1723112203033 |
9 | 416183280378 |
10 | 131418621467 |
11 | 50809427471 |
12 | 215779b6b8b |
13 | c514a73113 |
14 | 6509a678a7 |
15 | 3642685c12 |
hex | 1e9929061b |
131418621467 has 16 divisors (see below), whose sum is σ = 153382257600. Its totient is φ = 112553106624.
The previous prime is 131418621437. The next prime is 131418621527. The reversal of 131418621467 is 764126814131.
It is a de Polignac number, because none of the positive numbers 2k-131418621467 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131418621437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269423 + ... + 579159.
It is an arithmetic number, because the mean of its divisors is an integer number (9586391100).
Almost surely, 2131418621467 is an apocalyptic number.
131418621467 is a deficient number, since it is larger than the sum of its proper divisors (21963636133).
131418621467 is an equidigital number, since it uses as much as digits as its factorization.
131418621467 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310995 (or 310981 counting only the distinct ones).
The product of its digits is 193536, while the sum is 44.
The spelling of 131418621467 in words is "one hundred thirty-one billion, four hundred eighteen million, six hundred twenty-one thousand, four hundred sixty-seven".
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