Base | Representation |
---|---|
bin | 100100110000011101… |
… | …1100100110001000000 |
3 | 21112202011100001010220 |
4 | 1021200323210301000 |
5 | 2243130011004102 |
6 | 100132412423040 |
7 | 5463045610404 |
oct | 1114073446100 |
9 | 245664301126 |
10 | 78935641152 |
11 | 30527125575 |
12 | 1336b477a80 |
13 | 759c782994 |
14 | 3b6b677104 |
15 | 20bed281bc |
hex | 1260ee4c40 |
78935641152 has 28 divisors (see below), whose sum is σ = 208850551056. Its totient is φ = 26311880320.
The previous prime is 78935641123. The next prime is 78935641171. The reversal of 78935641152 is 25114653987.
It is a junction number, because it is equal to n+sod(n) for n = 78935641095 and 78935641104.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205561374 + ... + 205561757.
It is an arithmetic number, because the mean of its divisors is an integer number (7458948252).
Almost surely, 278935641152 is an apocalyptic number.
It is an amenable number.
78935641152 is an abundant number, since it is smaller than the sum of its proper divisors (129914909904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78935641152 is a wasteful number, since it uses less digits than its factorization.
78935641152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 411123146 (or 411123136 counting only the distinct ones).
The product of its digits is 1814400, while the sum is 51.
The spelling of 78935641152 in words is "seventy-eight billion, nine hundred thirty-five million, six hundred forty-one thousand, one hundred fifty-two".
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