Base | Representation |
---|---|
bin | 111101001011100000… |
… | …0111011111110111011 |
3 | 110120010021120211110001 |
4 | 1322113000323332323 |
5 | 4123032422433222 |
6 | 140204545333431 |
7 | 12330532610443 |
oct | 1722700737673 |
9 | 416107524401 |
10 | 131382624187 |
11 | 507a0080151 |
12 | 21567937277 |
13 | c50a47b459 |
14 | 6504d77123 |
15 | 363e424e27 |
hex | 1e9703bfbb |
131382624187 has 2 divisors, whose sum is σ = 131382624188. Its totient is φ = 131382624186.
The previous prime is 131382624179. The next prime is 131382624211. The reversal of 131382624187 is 781426283131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131382624187 - 23 = 131382624179 is a prime.
It is a super-2 number, since 2×1313826241872 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (131382624887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65691312093 + 65691312094.
It is an arithmetic number, because the mean of its divisors is an integer number (65691312094).
Almost surely, 2131382624187 is an apocalyptic number.
131382624187 is a deficient number, since it is larger than the sum of its proper divisors (1).
131382624187 is an equidigital number, since it uses as much as digits as its factorization.
131382624187 is an evil number, because the sum of its binary digits is even.
The product of its digits is 387072, while the sum is 46.
The spelling of 131382624187 in words is "one hundred thirty-one billion, three hundred eighty-two million, six hundred twenty-four thousand, one hundred eighty-seven".
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