Base | Representation |
---|---|
bin | 1011000110100000100… |
… | …0010100011000100011 |
3 | 200020021222210221012221 |
4 | 2301220020110120203 |
5 | 11111101221302011 |
6 | 223341302531511 |
7 | 16531233420463 |
oct | 2615010243043 |
9 | 606258727187 |
10 | 190725572131 |
11 | 73982682286 |
12 | 30b69736b97 |
13 | 14ca6a55833 |
14 | 9334471ba3 |
15 | 4e6413a971 |
hex | 2c68214623 |
190725572131 has 2 divisors, whose sum is σ = 190725572132. Its totient is φ = 190725572130.
The previous prime is 190725572069. The next prime is 190725572137. The reversal of 190725572131 is 131275527091.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 190725572131 - 27 = 190725572003 is a prime.
It is a super-2 number, since 2×1907255721312 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (190725572137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95362786065 + 95362786066.
It is an arithmetic number, because the mean of its divisors is an integer number (95362786066).
Almost surely, 2190725572131 is an apocalyptic number.
190725572131 is a deficient number, since it is larger than the sum of its proper divisors (1).
190725572131 is an equidigital number, since it uses as much as digits as its factorization.
190725572131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 132300, while the sum is 43.
The spelling of 190725572131 in words is "one hundred ninety billion, seven hundred twenty-five million, five hundred seventy-two thousand, one hundred thirty-one".
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