Base | Representation |
---|---|
bin | 10000101000101… |
… | …110100111000010 |
3 | 201110012100212022 |
4 | 100220232213002 |
5 | 1032423042010 |
6 | 43410201442 |
7 | 6626261663 |
oct | 2050564702 |
9 | 643170768 |
10 | 279112130 |
11 | 133608090 |
12 | 79583282 |
13 | 45a9650b |
14 | 290d736a |
15 | 19784d55 |
hex | 10a2e9c2 |
279112130 has 32 divisors (see below), whose sum is σ = 571909248. Its totient is φ = 97081600.
The previous prime is 279112129. The next prime is 279112159. The reversal of 279112130 is 31211972.
279112130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2791121302 = 155807162226273800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 279112130.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52631 + ... + 57690.
It is an arithmetic number, because the mean of its divisors is an integer number (17872164).
Almost surely, 2279112130 is an apocalyptic number.
279112130 is an abundant number, since it is smaller than the sum of its proper divisors (292797118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
279112130 is a wasteful number, since it uses less digits than its factorization.
279112130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110362.
The product of its (nonzero) digits is 756, while the sum is 26.
The square root of 279112130 is about 16706.6492750641. The cubic root of 279112130 is about 653.5210342150.
The spelling of 279112130 in words is "two hundred seventy-nine million, one hundred twelve thousand, one hundred thirty".
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