Base | Representation |
---|---|
bin | 100101101010000100… |
… | …0110110101010001010 |
3 | 21201201212100112222102 |
4 | 1023110020312222022 |
5 | 2311104314032104 |
6 | 101052300353402 |
7 | 5561665632566 |
oct | 1132410665212 |
9 | 251655315872 |
10 | 80868502154 |
11 | 31329185660 |
12 | 1380a845862 |
13 | 781a05080b |
14 | 3cb22566a6 |
15 | 2184877a1e |
hex | 12d4236a8a |
80868502154 has 16 divisors (see below), whose sum is σ = 134005345920. Its totient is φ = 36293112960.
The previous prime is 80868502103. The next prime is 80868502171. The reversal of 80868502154 is 45120586808.
It is a junction number, because it is equal to n+sod(n) for n = 80868502099 and 80868502108.
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, 23263079 + ... + 23266554.
It is an arithmetic number, because the mean of its divisors is an integer number (8375334120).
Almost surely, 280868502154 is an apocalyptic number.
80868502154 is a deficient number, since it is larger than the sum of its proper divisors (53136843766).
80868502154 is a wasteful number, since it uses less digits than its factorization.
80868502154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46529725.
The product of its (nonzero) digits is 614400, while the sum is 47.
The spelling of 80868502154 in words is "eighty billion, eight hundred sixty-eight million, five hundred two thousand, one hundred fifty-four".
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