Base | Representation |
---|---|
bin | 10001101111100001000100… |
… | …001001110010111000001100 |
3 | 101020021210111212020011222110 |
4 | 101233201010021302320030 |
5 | 40211434224432031413 |
6 | 433543242304144020 |
7 | 22302430260551214 |
oct | 2157410411627014 |
9 | 336253455204873 |
10 | 78032109252108 |
11 | 2295526041a750 |
12 | 890318b608010 |
13 | 347051c97010b |
14 | 153aaba727244 |
15 | 904bda8288c3 |
hex | 46f844272e0c |
78032109252108 has 96 divisors (see below), whose sum is σ = 209210883114240. Its totient is φ = 22387673168640.
The previous prime is 78032109252107. The next prime is 78032109252143. The reversal of 78032109252108 is 80125290123087.
It is not an unprimeable number, because it can be changed into a prime (78032109252107) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5599135 + ... + 13689942.
It is an arithmetic number, because the mean of its divisors is an integer number (2179280032440).
Almost surely, 278032109252108 is an apocalyptic number.
It is an amenable number.
78032109252108 is an abundant number, since it is smaller than the sum of its proper divisors (131178773862132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78032109252108 is a wasteful number, since it uses less digits than its factorization.
78032109252108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19290727 (or 19290725 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 48.
The spelling of 78032109252108 in words is "seventy-eight trillion, thirty-two billion, one hundred nine million, two hundred fifty-two thousand, one hundred eight".
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