Base | Representation |
---|---|
bin | 111001010010010010… |
… | …1010100010011110110 |
3 | 102202112111110021200001 |
4 | 1302210211110103312 |
5 | 4003421201031410 |
6 | 132303104341514 |
7 | 11613362360620 |
oct | 1624445242366 |
9 | 382474407601 |
10 | 123020330230 |
11 | 48199850a06 |
12 | 1ba1331489a |
13 | b7a6b69415 |
14 | 5d50521c10 |
15 | 330021333a |
hex | 1ca49544f6 |
123020330230 has 128 divisors (see below), whose sum is σ = 274654126080. Its totient is φ = 38755791360.
The previous prime is 123020330227. The next prime is 123020330249. The reversal of 123020330230 is 32033020321.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 123020330198 and 123020330207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4692960 + ... + 4719100.
It is an arithmetic number, because the mean of its divisors is an integer number (2145735360).
Almost surely, 2123020330230 is an apocalyptic number.
123020330230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123020330230 is an abundant number, since it is smaller than the sum of its proper divisors (151633795850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123020330230 is a wasteful number, since it uses less digits than its factorization.
123020330230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26294.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 123020330230 its reverse (32033020321), we get a palindrome (155053350551).
The spelling of 123020330230 in words is "one hundred twenty-three billion, twenty million, three hundred thirty thousand, two hundred thirty".
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