Base | Representation |
---|---|
bin | 100000000100011100… |
… | …0111110001110110000 |
3 | 20120202120110212012200 |
4 | 1000020320332032300 |
5 | 2112020332120144 |
6 | 51345433423200 |
7 | 4655425456110 |
oct | 1001070761660 |
9 | 216676425180 |
10 | 68868629424 |
11 | 27230600671 |
12 | 1141bb6ab00 |
13 | 6656c31bca |
14 | 349466d040 |
15 | 1bd112ec69 |
hex | 1008e3e3b0 |
68868629424 has 60 divisors (see below), whose sum is σ = 220270302096. Its totient is φ = 19676750976.
The previous prime is 68868629387. The next prime is 68868629521. The reversal of 68868629424 is 42492686886.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34160019 + ... + 34162034.
Almost surely, 268868629424 is an apocalyptic number.
It is an amenable number.
68868629424 is an abundant number, since it is smaller than the sum of its proper divisors (151401672672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68868629424 is a wasteful number, since it uses less digits than its factorization.
68868629424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68322074 (or 68322065 counting only the distinct ones).
The product of its digits is 63700992, while the sum is 63.
The spelling of 68868629424 in words is "sixty-eight billion, eight hundred sixty-eight million, six hundred twenty-nine thousand, four hundred twenty-four".
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