Base | Representation |
---|---|
bin | 10111101101110101… |
… | …010011001101000101 |
3 | 2102201200220111012012 |
4 | 113231311103031011 |
5 | 404123020241330 |
6 | 15410511304005 |
7 | 1561022001434 |
oct | 275565231505 |
9 | 72650814165 |
10 | 25465008965 |
11 | a888374160 |
12 | 4b2821b005 |
13 | 252a989956 |
14 | 133803111b |
15 | 9e0927c95 |
hex | 5edd53345 |
25465008965 has 16 divisors (see below), whose sum is σ = 33339491136. Its totient is φ = 18518073600.
The previous prime is 25465008949. The next prime is 25465008977. The reversal of 25465008965 is 56980056452.
It is not a de Polignac number, because 25465008965 - 24 = 25465008949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706829 + ... + 741981.
It is an arithmetic number, because the mean of its divisors is an integer number (2083718196).
Almost surely, 225465008965 is an apocalyptic number.
It is an amenable number.
25465008965 is a deficient number, since it is larger than the sum of its proper divisors (7874482171).
25465008965 is a wasteful number, since it uses less digits than its factorization.
25465008965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48340.
The product of its (nonzero) digits is 2592000, while the sum is 50.
The spelling of 25465008965 in words is "twenty-five billion, four hundred sixty-five million, eight thousand, nine hundred sixty-five".
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