Base | Representation |
---|---|
bin | 111101001000010010… |
… | …0110111101111100111 |
3 | 110112211202022210220200 |
4 | 1322100210313233213 |
5 | 4122322244302440 |
6 | 140150130201543 |
7 | 12325051501350 |
oct | 1722044675747 |
9 | 415752283820 |
10 | 131274603495 |
11 | 50745100652 |
12 | 215377232b3 |
13 | c4c0c89c99 |
14 | 64d4898d27 |
15 | 3634bd8c30 |
hex | 1e90937be7 |
131274603495 has 48 divisors (see below), whose sum is σ = 260104533312. Its totient is φ = 59998371840.
The previous prime is 131274603491. The next prime is 131274603503. The reversal of 131274603495 is 594306472131.
131274603495 is a `hidden beast` number, since 1 + 31 + 2 + 7 + 4 + 603 + 4 + 9 + 5 = 666.
It is not a de Polignac number, because 131274603495 - 22 = 131274603491 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 131274603495.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131274603491) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1511655 + ... + 1596135.
It is an arithmetic number, because the mean of its divisors is an integer number (5418844444).
Almost surely, 2131274603495 is an apocalyptic number.
131274603495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131274603495 is a deficient number, since it is larger than the sum of its proper divisors (128829929817).
131274603495 is a wasteful number, since it uses less digits than its factorization.
131274603495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89432 (or 89429 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 45.
The spelling of 131274603495 in words is "one hundred thirty-one billion, two hundred seventy-four million, six hundred three thousand, four hundred ninety-five".
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