Base | Representation |
---|---|
bin | 100101000101000010… |
… | …0110000000010010001 |
3 | 21121112021012110101002 |
4 | 1022022010300002101 |
5 | 2301033213144330 |
6 | 100325111351345 |
7 | 5516130042251 |
oct | 1121204600221 |
9 | 247467173332 |
10 | 79625912465 |
11 | 3085082a630 |
12 | 13522682555 |
13 | 767c796b48 |
14 | 3bd51db961 |
15 | 2110727e45 |
hex | 128a130091 |
79625912465 has 16 divisors (see below), whose sum is σ = 104286626496. Its totient is φ = 57882494400.
The previous prime is 79625912423. The next prime is 79625912467. The reversal of 79625912465 is 56421952697.
It is not a de Polignac number, because 79625912465 - 226 = 79558803601 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 79625912465.
It is not an unprimeable number, because it can be changed into a prime (79625912467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222482 + ... + 456891.
It is an arithmetic number, because the mean of its divisors is an integer number (6517914156).
Almost surely, 279625912465 is an apocalyptic number.
It is an amenable number.
79625912465 is a deficient number, since it is larger than the sum of its proper divisors (24660714031).
79625912465 is a wasteful number, since it uses less digits than its factorization.
79625912465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 681520.
The product of its digits is 8164800, while the sum is 56.
The spelling of 79625912465 in words is "seventy-nine billion, six hundred twenty-five million, nine hundred twelve thousand, four hundred sixty-five".
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