Base | Representation |
---|---|
bin | 100101101101111110… |
… | …1100010010110011000 |
3 | 21202002000022210110000 |
4 | 1023123331202112120 |
5 | 2311341414044422 |
6 | 101113305453000 |
7 | 5565151353465 |
oct | 1133375422630 |
9 | 252060283400 |
10 | 80999753112 |
11 | 31396281423 |
12 | 138467a1160 |
13 | 783b2b67c5 |
14 | 3cc586066c |
15 | 2191151cac |
hex | 12dbf62598 |
80999753112 has 40 divisors (see below), whose sum is σ = 226874310300. Its totient is φ = 26999917488.
The previous prime is 80999753077. The next prime is 80999753117. The reversal of 80999753112 is 21135799908.
80999753112 is a `hidden beast` number, since 8 + 0 + 9 + 9 + 97 + 531 + 12 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80999753117) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62499162 + ... + 62500457.
Almost surely, 280999753112 is an apocalyptic number.
It is an amenable number.
80999753112 is an abundant number, since it is smaller than the sum of its proper divisors (145874557188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80999753112 is a wasteful number, since it uses less digits than its factorization.
80999753112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124999637 (or 124999624 counting only the distinct ones).
The product of its (nonzero) digits is 1224720, while the sum is 54.
The spelling of 80999753112 in words is "eighty billion, nine hundred ninety-nine million, seven hundred fifty-three thousand, one hundred twelve".
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