Base | Representation |
---|---|
bin | 111001010010010011… |
… | …1111111111010101010 |
3 | 102202112112202222212101 |
4 | 1302210213333322222 |
5 | 4003421341030010 |
6 | 132303131404014 |
7 | 11613401346112 |
oct | 1624447777252 |
9 | 382475688771 |
10 | 123021033130 |
11 | 4819a191016 |
12 | 1ba135b360a |
13 | b7a7054338 |
14 | 5d50666042 |
15 | 330030173a |
hex | 1ca49ffeaa |
123021033130 has 32 divisors (see below), whose sum is σ = 226289707776. Its totient is φ = 48131525184.
The previous prime is 123021033101. The next prime is 123021033143. The reversal of 123021033130 is 31330120321.
It is a junction number, because it is equal to n+sod(n) for n = 123021033098 and 123021033107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684252 + ... + 845128.
It is an arithmetic number, because the mean of its divisors is an integer number (7071553368).
Almost surely, 2123021033130 is an apocalyptic number.
123021033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123021033130 is a deficient number, since it is larger than the sum of its proper divisors (103268674646).
123021033130 is a wasteful number, since it uses less digits than its factorization.
123021033130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162558.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 123021033130 its reverse (31330120321), we get a palindrome (154351153451).
The spelling of 123021033130 in words is "one hundred twenty-three billion, twenty-one million, thirty-three thousand, one hundred thirty".
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