Base | Representation |
---|---|
bin | 10010011010010011101010… |
… | …101001000011111101110000 |
3 | 101121200220120220102110122120 |
4 | 102122103222221003331300 |
5 | 41103124001441100010 |
6 | 444114154310034240 |
7 | 23025040000411116 |
oct | 2232235251037560 |
9 | 347626526373576 |
10 | 80972660096880 |
11 | 23889348743182 |
12 | 90b9064048980 |
13 | 36248c5bba996 |
14 | 15dd151d99ab6 |
15 | 956440d77e70 |
hex | 49a4eaa43f70 |
80972660096880 has 80 divisors (see below), whose sum is σ = 251021305361184. Its totient is φ = 21592188149760.
The previous prime is 80972660096863. The next prime is 80972660096897. The reversal of 80972660096880 is 8869006627908.
It is an interprime number because it is at equal distance from previous prime (80972660096863) and next prime (80972660096897).
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×809726600968802 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5942712 + ... + 14044968.
Almost surely, 280972660096880 is an apocalyptic number.
80972660096880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80972660096880 is an abundant number, since it is smaller than the sum of its proper divisors (170048645264304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80972660096880 is a wasteful number, since it uses less digits than its factorization.
80972660096880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8143914 (or 8143908 counting only the distinct ones).
The product of its (nonzero) digits is 125411328, while the sum is 69.
The spelling of 80972660096880 in words is "eighty trillion, nine hundred seventy-two billion, six hundred sixty million, ninety-six thousand, eight hundred eighty".
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