Base | Representation |
---|---|
bin | 100101001111001111… |
… | …1000100101111111100 |
3 | 21122102010120110110210 |
4 | 1022132133010233330 |
5 | 2302233344413442 |
6 | 100423103232420 |
7 | 5530455552021 |
oct | 1123637045774 |
9 | 248363513423 |
10 | 79968357372 |
11 | 30a07064552 |
12 | 135b92a8710 |
13 | 7705706277 |
14 | 3c2889d548 |
15 | 213081d19c |
hex | 129e7c4bfc |
79968357372 has 24 divisors (see below), whose sum is σ = 191635884496. Its totient is φ = 25935683328.
The previous prime is 79968357353. The next prime is 79968357397. The reversal of 79968357372 is 27375386997.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90054013 + ... + 90054900.
Almost surely, 279968357372 is an apocalyptic number.
It is an amenable number.
79968357372 is an abundant number, since it is smaller than the sum of its proper divisors (111667527124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79968357372 is a wasteful number, since it uses less digits than its factorization.
79968357372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180108957 (or 180108955 counting only the distinct ones).
The product of its digits is 120022560, while the sum is 66.
The spelling of 79968357372 in words is "seventy-nine billion, nine hundred sixty-eight million, three hundred fifty-seven thousand, three hundred seventy-two".
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