Base | Representation |
---|---|
bin | 100100011000100001… |
… | …0110011101100001100 |
3 | 21110200011120120111112 |
4 | 1020301002303230030 |
5 | 2240003322342144 |
6 | 55520552511152 |
7 | 5434122001466 |
oct | 1106102635414 |
9 | 243604516445 |
10 | 78132230924 |
11 | 30154675580 |
12 | 131863ab4b8 |
13 | 74a21a7807 |
14 | 3ad2aa1136 |
15 | 207452a99e |
hex | 12310b3b0c |
78132230924 has 96 divisors (see below), whose sum is σ = 153812736000. Its totient is φ = 34423868160.
The previous prime is 78132230893. The next prime is 78132230941. The reversal of 78132230924 is 42903223187.
It is a super-2 number, since 2×781322309242 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153501182 + ... + 153501690.
It is an arithmetic number, because the mean of its divisors is an integer number (1602216000).
Almost surely, 278132230924 is an apocalyptic number.
It is an amenable number.
78132230924 is a deficient number, since it is larger than the sum of its proper divisors (75680505076).
78132230924 is a wasteful number, since it uses less digits than its factorization.
78132230924 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1143 (or 1141 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 41.
The spelling of 78132230924 in words is "seventy-eight billion, one hundred thirty-two million, two hundred thirty thousand, nine hundred twenty-four".
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