Base | Representation |
---|---|
bin | 100110111011010… |
… | …111000010101001 |
3 | 1200111220200000201 |
4 | 212323113002221 |
5 | 2314143020311 |
6 | 144450032201 |
7 | 22120134202 |
oct | 4673270251 |
9 | 1614820021 |
10 | 653095081 |
11 | 305723001 |
12 | 162878661 |
13 | a53c89c2 |
14 | 62a485a9 |
15 | 3c5099c1 |
hex | 26ed70a9 |
653095081 has 2 divisors, whose sum is σ = 653095082. Its totient is φ = 653095080.
The previous prime is 653095067. The next prime is 653095111. The reversal of 653095081 is 180590356.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 573171481 + 79923600 = 23941^2 + 8940^2 .
It is a cyclic number.
It is not a de Polignac number, because 653095081 - 215 = 653062313 is a prime.
It is a super-2 number, since 2×6530950812 = 853066369652793122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 653095081.
It is not a weakly prime, because it can be changed into another prime (653095021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326547540 + 326547541.
It is an arithmetic number, because the mean of its divisors is an integer number (326547541).
Almost surely, 2653095081 is an apocalyptic number.
It is an amenable number.
653095081 is a deficient number, since it is larger than the sum of its proper divisors (1).
653095081 is an equidigital number, since it uses as much as digits as its factorization.
653095081 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32400, while the sum is 37.
The square root of 653095081 is about 25555.7250141725. The cubic root of 653095081 is about 867.6118417261.
The spelling of 653095081 in words is "six hundred fifty-three million, ninety-five thousand, eighty-one".
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