Base | Representation |
---|---|
bin | 111001010010010110… |
… | …1101000100111000010 |
3 | 102202112122120001110220 |
4 | 1302210231220213002 |
5 | 4003422230314110 |
6 | 132303223203510 |
7 | 11613420041313 |
oct | 1624455504702 |
9 | 382478501426 |
10 | 123022510530 |
11 | 481a0000007 |
12 | 1ba13ba6596 |
13 | b7a745093a |
14 | 5d5092c60a |
15 | 33004e4370 |
hex | 1ca4b689c2 |
123022510530 has 32 divisors (see below), whose sum is σ = 296215786944. Its totient is φ = 32699140416.
The previous prime is 123022510493. The next prime is 123022510547. The reversal of 123022510530 is 35015220321.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 123022510530.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6669537 + ... + 6687956.
It is an arithmetic number, because the mean of its divisors is an integer number (9256743342).
Almost surely, 2123022510530 is an apocalyptic number.
123022510530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123022510530 is an abundant number, since it is smaller than the sum of its proper divisors (173193276414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123022510530 is a wasteful number, since it uses less digits than its factorization.
123022510530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13357810.
The product of its (nonzero) digits is 1800, while the sum is 24.
Adding to 123022510530 its reverse (35015220321), we get a palindrome (158037730851).
The spelling of 123022510530 in words is "one hundred twenty-three billion, twenty-two million, five hundred ten thousand, five hundred thirty".
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