Base | Representation |
---|---|
bin | 1011101010000111… |
… | …0100001011000110 |
3 | 22002002120100022000 |
4 | 2322201310023012 |
5 | 22402113123010 |
6 | 1234310250130 |
7 | 140356454541 |
oct | 27241641306 |
9 | 8062510260 |
10 | 3129426630 |
11 | 1366530600 |
12 | 734056946 |
13 | 3ab45c045 |
14 | 219897858 |
15 | 134b0c7c0 |
hex | ba8742c6 |
3129426630 has 96 divisors (see below), whose sum is σ = 9172850400. Its totient is φ = 758640960.
The previous prime is 3129426607. The next prime is 3129426631. The reversal of 3129426630 is 366249213.
3129426630 is a `hidden beast` number, since 3 + 12 + 9 + 4 + 2 + 6 + 630 = 666.
It is a super-2 number, since 2×31294266302 = 19586622065106313800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3129426631) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15225 + ... + 80564.
It is an arithmetic number, because the mean of its divisors is an integer number (95550525).
Almost surely, 23129426630 is an apocalyptic number.
3129426630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
3129426630 is an abundant number, since it is smaller than the sum of its proper divisors (6043423770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3129426630 is a wasteful number, since it uses less digits than its factorization.
3129426630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95827 (or 95810 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 36.
The square root of 3129426630 is about 55941.2784087028. The cubic root of 3129426630 is about 1462.6988657913.
The spelling of 3129426630 in words is "three billion, one hundred twenty-nine million, four hundred twenty-six thousand, six hundred thirty".
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