Base | Representation |
---|---|
bin | 111111110001100010… |
… | …111001101110100100 |
3 | 20112202021111101112020 |
4 | 333301202321232210 |
5 | 2110220100432334 |
6 | 51242523023140 |
7 | 4642631423445 |
oct | 776142715644 |
9 | 215667441466 |
10 | 68476967844 |
11 | 2704a51050a |
12 | 1133096aab0 |
13 | 65c3a4caac |
14 | 34586392cc |
15 | 1baba66e49 |
hex | ff18b9ba4 |
68476967844 has 24 divisors (see below), whose sum is σ = 169178391648. Its totient is φ = 21482970240.
The previous prime is 68476967773. The next prime is 68476967849. The reversal of 68476967844 is 44876967486.
It is not an unprimeable number, because it can be changed into a prime (68476967849) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167835502 + ... + 167835909.
It is an arithmetic number, because the mean of its divisors is an integer number (7049099652).
Almost surely, 268476967844 is an apocalyptic number.
It is an amenable number.
68476967844 is an abundant number, since it is smaller than the sum of its proper divisors (100701423804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68476967844 is a wasteful number, since it uses less digits than its factorization.
68476967844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 335671435 (or 335671433 counting only the distinct ones).
The product of its digits is 390168576, while the sum is 69.
The spelling of 68476967844 in words is "sixty-eight billion, four hundred seventy-six million, nine hundred sixty-seven thousand, eight hundred forty-four".
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