Base | Representation |
---|---|
bin | 1001110010111111001… |
… | …1001101110001001000 |
3 | 121002102111211101020200 |
4 | 2130233303031301020 |
5 | 10224142223220212 |
6 | 205152450452200 |
7 | 15105525446022 |
oct | 2345763156110 |
9 | 532374741220 |
10 | 168305679432 |
11 | 65418194040 |
12 | 28751294060 |
13 | 12b42c18937 |
14 | 8208a2d012 |
15 | 45a0c196dc |
hex | 272fccdc48 |
168305679432 has 48 divisors (see below), whose sum is σ = 497266782480. Its totient is φ = 51001720800.
The previous prime is 168305679419. The next prime is 168305679457. The reversal of 168305679432 is 234976503861.
168305679432 is a `hidden beast` number, since 1 + 6 + 8 + 30 + 567 + 9 + 43 + 2 = 666.
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, 106252794 + ... + 106254377.
It is an arithmetic number, because the mean of its divisors is an integer number (10359724635).
It is a 1-persistent number, because it is pandigital, but 2⋅168305679432 = 336611358864 is not.
Almost surely, 2168305679432 is an apocalyptic number.
168305679432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
168305679432 is an abundant number, since it is smaller than the sum of its proper divisors (328961103048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168305679432 is a wasteful number, since it uses less digits than its factorization.
168305679432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212507194 (or 212507187 counting only the distinct ones).
The product of its (nonzero) digits is 6531840, while the sum is 54.
The spelling of 168305679432 in words is "one hundred sixty-eight billion, three hundred five million, six hundred seventy-nine thousand, four hundred thirty-two".
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