Base | Representation |
---|---|
bin | 100100010100110011… |
… | …1000000100010110100 |
3 | 21110100110212201222211 |
4 | 1020221213000202310 |
5 | 2234224410044103 |
6 | 55500335303204 |
7 | 5431045556350 |
oct | 1105147004264 |
9 | 243313781884 |
10 | 78007503028 |
11 | 300a0224674 |
12 | 1315067ab04 |
13 | 74823b6920 |
14 | 3ac02b4460 |
15 | 20685de36d |
hex | 12299c08b4 |
78007503028 has 48 divisors (see below), whose sum is σ = 168061984384. Its totient is φ = 30851694720.
The previous prime is 78007503017. The next prime is 78007503037. The reversal of 78007503028 is 82030570087.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403626 + ... + 1458142.
Almost surely, 278007503028 is an apocalyptic number.
It is an amenable number.
78007503028 is an abundant number, since it is smaller than the sum of its proper divisors (90054481356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78007503028 is a wasteful number, since it uses less digits than its factorization.
78007503028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58472 (or 58470 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 40.
The spelling of 78007503028 in words is "seventy-eight billion, seven million, five hundred three thousand, twenty-eight".
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