Base | Representation |
---|---|
bin | 1001110100001000011… |
… | …1010001110000111000 |
3 | 121010012220222020211022 |
4 | 2131002013101300320 |
5 | 10230304402203233 |
6 | 205243144122012 |
7 | 15116246150060 |
oct | 2350207216070 |
9 | 533186866738 |
10 | 168612928568 |
11 | 65565669947 |
12 | 28818166308 |
13 | 12b91784166 |
14 | 823776c3a0 |
15 | 45bcbab398 |
hex | 27421d1c38 |
168612928568 has 32 divisors (see below), whose sum is σ = 372968693760. Its totient is φ = 69931628640.
The previous prime is 168612928531. The next prime is 168612928613. The reversal of 168612928568 is 865829216861.
It is a Harshad number since it is a multiple of its sum of digits (62).
It is a self number, because there is not a number n which added to its sum of digits gives 168612928568.
It is a congruent number.
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, 48561896 + ... + 48565367.
It is an arithmetic number, because the mean of its divisors is an integer number (11655271680).
Almost surely, 2168612928568 is an apocalyptic number.
It is an amenable number.
168612928568 is an abundant number, since it is smaller than the sum of its proper divisors (204355765192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168612928568 is a wasteful number, since it uses less digits than its factorization.
168612928568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97127307 (or 97127303 counting only the distinct ones).
The product of its digits is 19906560, while the sum is 62.
The spelling of 168612928568 in words is "one hundred sixty-eight billion, six hundred twelve million, nine hundred twenty-eight thousand, five hundred sixty-eight".
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