Base | Representation |
---|---|
bin | 100000000011011110… |
… | …1100000111010011000 |
3 | 20120200022120121102102 |
4 | 1000012331200322120 |
5 | 2111434040444444 |
6 | 51342320022532 |
7 | 4654553414030 |
oct | 1000675407230 |
9 | 216608517372 |
10 | 68836265624 |
11 | 27214306225 |
12 | 11411161a48 |
13 | 6650310029 |
14 | 34902468c0 |
15 | 1bcd38a84e |
hex | 1006f60e98 |
68836265624 has 32 divisors (see below), whose sum is σ = 147649478400. Its totient is φ = 29472617760.
The previous prime is 68836265623. The next prime is 68836265671. The reversal of 68836265624 is 42656263886.
It is a Harshad number since it is a multiple of its sum of digits (56).
It is a self number, because there is not a number n which added to its sum of digits gives 68836265624.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68836265623) 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, 538394 + ... + 653865.
It is an arithmetic number, because the mean of its divisors is an integer number (4614046200).
Almost surely, 268836265624 is an apocalyptic number.
It is an amenable number.
68836265624 is an abundant number, since it is smaller than the sum of its proper divisors (78813212776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68836265624 is a wasteful number, since it uses less digits than its factorization.
68836265624 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1193303 (or 1193299 counting only the distinct ones).
The product of its digits is 19906560, while the sum is 56.
The spelling of 68836265624 in words is "sixty-eight billion, eight hundred thirty-six million, two hundred sixty-five thousand, six hundred twenty-four".
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