Base | Representation |
---|---|
bin | 1011010010101111… |
… | …1110111100001000 |
3 | 21211021011112122102 |
4 | 2310223332330020 |
5 | 22202021210442 |
6 | 1220450012532 |
7 | 135056502023 |
oct | 26453767410 |
9 | 7737145572 |
10 | 3031428872 |
11 | 131618741a |
12 | 707277148 |
13 | 3940699c4 |
14 | 20a8681ba |
15 | 12b201232 |
hex | b4afef08 |
3031428872 has 16 divisors (see below), whose sum is σ = 5983083600. Its totient is φ = 1435939920.
The previous prime is 3031428859. The next prime is 3031428919. The reversal of 3031428872 is 2788241303.
It is a super-2 number, since 2×30314288722 = 18379122011990384768, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9971654 + ... + 9971957.
It is an arithmetic number, because the mean of its divisors is an integer number (373942725).
Almost surely, 23031428872 is an apocalyptic number.
It is an amenable number.
3031428872 is a deficient number, since it is larger than the sum of its proper divisors (2951654728).
3031428872 is a wasteful number, since it uses less digits than its factorization.
3031428872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19943636 (or 19943632 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 38.
The square root of 3031428872 is about 55058.4132717244. The cubic root of 3031428872 is about 1447.2685593401.
The spelling of 3031428872 in words is "three billion, thirty-one million, four hundred twenty-eight thousand, eight hundred seventy-two".
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