Base | Representation |
---|---|
bin | 11011100011100… |
… | …01001000101010 |
3 | 121002221122100122 |
4 | 31301301020222 |
5 | 433133300442 |
6 | 34534203242 |
7 | 5504513030 |
oct | 1561611052 |
9 | 532848318 |
10 | 231150122 |
11 | 109529565 |
12 | 654b3522 |
13 | 38b72928 |
14 | 229b0550 |
15 | 1545ddd2 |
hex | dc7122a |
231150122 has 32 divisors (see below), whose sum is σ = 420723072. Its totient is φ = 92980224.
The previous prime is 231150113. The next prime is 231150163. The reversal of 231150122 is 221051132.
It is a happy number.
It is a super-2 number, since 2×2311501222 = 106860757801229768, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 231150122.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101933 + ... + 104175.
It is an arithmetic number, because the mean of its divisors is an integer number (13147596).
Almost surely, 2231150122 is an apocalyptic number.
231150122 is a deficient number, since it is larger than the sum of its proper divisors (189572950).
231150122 is a wasteful number, since it uses less digits than its factorization.
231150122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2702.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 231150122 is about 15203.6220026677. The cubic root of 231150122 is about 613.7121325616.
The spelling of 231150122 in words is "two hundred thirty-one million, one hundred fifty thousand, one hundred twenty-two".
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