Base | Representation |
---|---|
bin | 1111100001101… |
… | …1111001000101 |
3 | 11112112202000111 |
4 | 3320123321011 |
5 | 113133012312 |
6 | 10243513021 |
7 | 1420363411 |
oct | 370337105 |
9 | 145482014 |
10 | 65125957 |
11 | 33842106 |
12 | 19988771 |
13 | 10653190 |
14 | 8913d41 |
15 | 5ab68a7 |
hex | 3e1be45 |
65125957 has 16 divisors (see below), whose sum is σ = 73084032. Its totient is φ = 57637440.
The previous prime is 65125937. The next prime is 65125993. The reversal of 65125957 is 75952156.
It is a cyclic number.
It is not a de Polignac number, because 65125957 - 27 = 65125829 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65125927) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33198 + ... + 35104.
It is an arithmetic number, because the mean of its divisors is an integer number (4567752).
Almost surely, 265125957 is an apocalyptic number.
It is an amenable number.
65125957 is a deficient number, since it is larger than the sum of its proper divisors (7958075).
65125957 is a wasteful number, since it uses less digits than its factorization.
65125957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2028.
The product of its digits is 94500, while the sum is 40.
The square root of 65125957 is about 8070.0654892014. The cubic root of 65125957 is about 402.3321203617.
The spelling of 65125957 in words is "sixty-five million, one hundred twenty-five thousand, nine hundred fifty-seven".
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