Base | Representation |
---|---|
bin | 1001110010010100001… |
… | …0010010000001001110 |
3 | 121001221220222221220010 |
4 | 2130211002102001032 |
5 | 10223310010022010 |
6 | 205122515534050 |
7 | 15101203412004 |
oct | 2344502220116 |
9 | 531856887803 |
10 | 168125079630 |
11 | 65335251802 |
12 | 287008ba326 |
13 | 12b14694a51 |
14 | 81cca5aa74 |
15 | 458ee43620 |
hex | 272509204e |
168125079630 has 24 divisors (see below), whose sum is σ = 403505581176. Its totient is φ = 44832755680.
The previous prime is 168125079613. The next prime is 168125079643. The reversal of 168125079630 is 36970521861.
It is a self number, because there is not a number n which added to its sum of digits gives 168125079630.
It is a congruent number.
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, 2208400 + ... + 2283260.
It is an arithmetic number, because the mean of its divisors is an integer number (16812732549).
Almost surely, 2168125079630 is an apocalyptic number.
168125079630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
168125079630 is an abundant number, since it is smaller than the sum of its proper divisors (235380501546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168125079630 is an frugal number, since it uses more digits than its factorization.
168125079630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149732 (or 74871 counting only the distinct ones).
The product of its (nonzero) digits is 544320, while the sum is 48.
The spelling of 168125079630 in words is "one hundred sixty-eight billion, one hundred twenty-five million, seventy-nine thousand, six hundred thirty".
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