Base | Representation |
---|---|
bin | 100100110110101000… |
… | …1110110110101000100 |
3 | 21120021121011020212110 |
4 | 1021231101312311010 |
5 | 2244041024341100 |
6 | 100205133021020 |
7 | 5501142530121 |
oct | 1115521666504 |
9 | 246247136773 |
10 | 79142808900 |
11 | 30623063791 |
12 | 13408924770 |
13 | 760367964c |
14 | 3b8ada3748 |
15 | 20d30eb250 |
hex | 126d476d44 |
79142808900 has 36 divisors (see below), whose sum is σ = 228986527952. Its totient is φ = 21104748960.
The previous prime is 79142808793. The next prime is 79142808911. The reversal of 79142808900 is 980824197.
It is a self number, because there is not a number n which added to its sum of digits gives 79142808900.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131904382 + ... + 131904981.
Almost surely, 279142808900 is an apocalyptic number.
It is an amenable number.
79142808900 is an abundant number, since it is smaller than the sum of its proper divisors (149843719052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79142808900 is a wasteful number, since it uses less digits than its factorization.
79142808900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263809380 (or 263809373 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 48.
The spelling of 79142808900 in words is "seventy-nine billion, one hundred forty-two million, eight hundred eight thousand, nine hundred".
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