Base | Representation |
---|---|
bin | 100111101000100010… |
… | …010000101000111110 |
3 | 11001211210121211110220 |
4 | 213220202100220332 |
5 | 1144123314011310 |
6 | 31314442442210 |
7 | 3034402016160 |
oct | 475042205076 |
9 | 131753554426 |
10 | 42556000830 |
11 | 17058831322 |
12 | 82b7b03366 |
13 | 402278b5a5 |
14 | 20b9c38930 |
15 | 11910c5670 |
hex | 9e8890a3e |
42556000830 has 64 divisors (see below), whose sum is σ = 116782110720. Its totient is φ = 9722329344.
The previous prime is 42556000793. The next prime is 42556000831. The reversal of 42556000830 is 3800065524.
It is a super-2 number, since 2×425560008302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 42556000791 and 42556000800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42556000831) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390187 + ... + 487193.
It is an arithmetic number, because the mean of its divisors is an integer number (1824720480).
Almost surely, 242556000830 is an apocalyptic number.
42556000830 is an abundant number, since it is smaller than the sum of its proper divisors (74226109890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42556000830 is a wasteful number, since it uses less digits than its factorization.
42556000830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99113.
The product of its (nonzero) digits is 28800, while the sum is 33.
The spelling of 42556000830 in words is "forty-two billion, five hundred fifty-six million, eight hundred thirty", and thus it is an aban number.
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