Base | Representation |
---|---|
bin | 100101001100101000… |
… | …1101011110101001010 |
3 | 21122012001010021200020 |
4 | 1022121101223311022 |
5 | 2302044011230404 |
6 | 100410302121310 |
7 | 5525344653105 |
oct | 1123121536512 |
9 | 248161107606 |
10 | 79880961354 |
11 | 309717a1637 |
12 | 13593b80236 |
13 | 76c058664c |
14 | 3c1b02d73c |
15 | 2127d07ed9 |
hex | 129946bd4a |
79880961354 has 8 divisors (see below), whose sum is σ = 159761922720. Its totient is φ = 26626987116.
The previous prime is 79880961317. The next prime is 79880961367. The reversal of 79880961354 is 45316908897.
It is a sphenic number, since it is the product of 3 distinct primes.
79880961354 is an admirable number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6656746774 + ... + 6656746785.
It is an arithmetic number, because the mean of its divisors is an integer number (19970240340).
Almost surely, 279880961354 is an apocalyptic number.
79880961354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79880961354 is a wasteful number, since it uses less digits than its factorization.
79880961354 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13313493564.
The product of its (nonzero) digits is 13063680, while the sum is 60.
The spelling of 79880961354 in words is "seventy-nine billion, eight hundred eighty million, nine hundred sixty-one thousand, three hundred fifty-four".
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