Base | Representation |
---|---|
bin | 110010110110011… |
… | …011111011010001 |
3 | 2012110022112200000 |
4 | 302312123323101 |
5 | 3221400142321 |
6 | 220353320213 |
7 | 30066331164 |
oct | 6266337321 |
9 | 2173275600 |
10 | 853130961 |
11 | 3a862aa11 |
12 | 1b9866069 |
13 | 107996427 |
14 | 81439adb |
15 | 4ed6e826 |
hex | 32d9bed1 |
853130961 has 24 divisors (see below), whose sum is σ = 1322018880. Its totient is φ = 549137232.
The previous prime is 853130947. The next prime is 853130977. The reversal of 853130961 is 169031358.
It is a happy number.
853130961 is a `hidden beast` number, since 8 + 531 + 30 + 96 + 1 = 666.
It is not a de Polignac number, because 853130961 - 27 = 853130833 is a prime.
It is not an unprimeable number, because it can be changed into a prime (853130461) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53485 + ... + 67578.
It is an arithmetic number, because the mean of its divisors is an integer number (55084120).
Almost surely, 2853130961 is an apocalyptic number.
853130961 is a gapful number since it is divisible by the number (81) formed by its first and last digit.
It is an amenable number.
853130961 is a deficient number, since it is larger than the sum of its proper divisors (468887919).
853130961 is a wasteful number, since it uses less digits than its factorization.
853130961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121107 (or 121095 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 853130961 is about 29208.4056565914. The cubic root of 853130961 is about 948.4298943528.
The spelling of 853130961 in words is "eight hundred fifty-three million, one hundred thirty thousand, nine hundred sixty-one".
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