Base | Representation |
---|---|
bin | 100101100100110110… |
… | …0000110111111110100 |
3 | 21201021122111000102020 |
4 | 1023021230012333310 |
5 | 2310224424212430 |
6 | 101023035113140 |
7 | 5554436560344 |
oct | 1131154067764 |
9 | 251248430366 |
10 | 80693194740 |
11 | 312492285a4 |
12 | 1377bba27b0 |
13 | 77bc930812 |
14 | 3c96c60d24 |
15 | 2174299b10 |
hex | 12c9b06ff4 |
80693194740 has 48 divisors (see below), whose sum is σ = 225976383360. Its totient is φ = 21514810240.
The previous prime is 80693194709. The next prime is 80693194781. The reversal of 80693194740 is 4749139608.
It is a super-2 number, since 2×806931947402 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292681 + ... + 497039.
It is an arithmetic number, because the mean of its divisors is an integer number (4707841320).
Almost surely, 280693194740 is an apocalyptic number.
It is an amenable number.
80693194740 is an abundant number, since it is smaller than the sum of its proper divisors (145283188620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80693194740 is a wasteful number, since it uses less digits than its factorization.
80693194740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210952 (or 210950 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 51.
The spelling of 80693194740 in words is "eighty billion, six hundred ninety-three million, one hundred ninety-four thousand, seven hundred forty".
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