Base | Representation |
---|---|
bin | 10100000011010101111… |
… | …10101111100100100000 |
3 | 2102212101212111010102112 |
4 | 22001222332233210200 |
5 | 42242022314200112 |
6 | 1244303434134452 |
7 | 100530542654036 |
oct | 12015276574440 |
9 | 2385355433375 |
10 | 688989600032 |
11 | 246220738198 |
12 | b1645281428 |
13 | 4cc82340986 |
14 | 254c0cc8556 |
15 | 12dc7661a22 |
hex | a06afaf920 |
688989600032 has 24 divisors (see below), whose sum is σ = 1427840290800. Its totient is φ = 326363494464.
The previous prime is 688989600011. The next prime is 688989600137. The reversal of 688989600032 is 230006989886.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566602682 + ... + 566603897.
It is an arithmetic number, because the mean of its divisors is an integer number (59493345450).
Almost surely, 2688989600032 is an apocalyptic number.
It is an amenable number.
688989600032 is an abundant number, since it is smaller than the sum of its proper divisors (738850690768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
688989600032 is a wasteful number, since it uses less digits than its factorization.
688989600032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1133206608 (or 1133206600 counting only the distinct ones).
The product of its (nonzero) digits is 8957952, while the sum is 59.
The spelling of 688989600032 in words is "six hundred eighty-eight billion, nine hundred eighty-nine million, six hundred thousand, thirty-two".
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