Base | Representation |
---|---|
bin | 100100101100010010… |
… | …0101110100100100011 |
3 | 21112101101111210110121 |
4 | 1021120210232210203 |
5 | 2242333112344100 |
6 | 100110443341111 |
7 | 5456424066115 |
oct | 1113044564443 |
9 | 245341453417 |
10 | 78795434275 |
11 | 30464a72018 |
12 | 13330521797 |
13 | 757970242c |
14 | 3b56bbb3b5 |
15 | 20b288051a |
hex | 125892e923 |
78795434275 has 24 divisors (see below), whose sum is σ = 98135013600. Its totient is φ = 62760268800.
The previous prime is 78795434191. The next prime is 78795434309. The reversal of 78795434275 is 57243459787.
It is not a de Polignac number, because 78795434275 - 215 = 78795401507 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7217521 + ... + 7228429.
It is an arithmetic number, because the mean of its divisors is an integer number (4088958900).
Almost surely, 278795434275 is an apocalyptic number.
78795434275 is a deficient number, since it is larger than the sum of its proper divisors (19339579325).
78795434275 is a wasteful number, since it uses less digits than its factorization.
78795434275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12159 (or 12154 counting only the distinct ones).
The product of its digits is 59270400, while the sum is 61.
The spelling of 78795434275 in words is "seventy-eight billion, seven hundred ninety-five million, four hundred thirty-four thousand, two hundred seventy-five".
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