Base | Representation |
---|---|
bin | 100100011011011100… |
… | …1010100100100110100 |
3 | 21110221000022110102010 |
4 | 1020312321110210310 |
5 | 2240203441014401 |
6 | 55534421044220 |
7 | 5436423330504 |
oct | 1106671244464 |
9 | 243830273363 |
10 | 78230407476 |
11 | 301a5031021 |
12 | 131b3256670 |
13 | 74b9630350 |
14 | 3b01b39a04 |
15 | 207ce6eed6 |
hex | 1236e54934 |
78230407476 has 48 divisors (see below), whose sum is σ = 197665115648. Its totient is φ = 23937897600.
The previous prime is 78230407433. The next prime is 78230407477. The reversal of 78230407476 is 67470403287.
It is a super-2 number, since 2×782304074762 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78230407477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357060 + ... + 1413531.
Almost surely, 278230407476 is an apocalyptic number.
It is an amenable number.
78230407476 is an abundant number, since it is smaller than the sum of its proper divisors (119434708172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78230407476 is a wasteful number, since it uses less digits than its factorization.
78230407476 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2770792 (or 2770790 counting only the distinct ones).
The product of its (nonzero) digits is 1580544, while the sum is 48.
The spelling of 78230407476 in words is "seventy-eight billion, two hundred thirty million, four hundred seven thousand, four hundred seventy-six".
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