Base | Representation |
---|---|
bin | 111111100011010010… |
… | …100000111100110000 |
3 | 20112010121102221121111 |
4 | 333203102200330300 |
5 | 2104222333303044 |
6 | 51203100403104 |
7 | 4633665440104 |
oct | 774322407460 |
9 | 215117387544 |
10 | 68237791024 |
11 | 26a374aa417 |
12 | 11284846494 |
13 | 6586329850 |
14 | 3434979904 |
15 | 1b95a6eb34 |
hex | fe34a0f30 |
68237791024 has 40 divisors (see below), whose sum is σ = 142405975712. Its totient is φ = 31488791040.
The previous prime is 68237791003. The next prime is 68237791103. The reversal of 68237791024 is 42019773286.
It is a happy number.
68237791024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×682377910242 (a number of 22 digits) contains 22 as substring.
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, 1293484 + ... + 1345204.
Almost surely, 268237791024 is an apocalyptic number.
It is an amenable number.
68237791024 is an abundant number, since it is smaller than the sum of its proper divisors (74168184688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68237791024 is a wasteful number, since it uses less digits than its factorization.
68237791024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58085 (or 58079 counting only the distinct ones).
The product of its (nonzero) digits is 1016064, while the sum is 49.
The spelling of 68237791024 in words is "sixty-eight billion, two hundred thirty-seven million, seven hundred ninety-one thousand, twenty-four".
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