Base | Representation |
---|---|
bin | 111001011000101011… |
… | …0000001000101011010 |
3 | 102210002102022022220201 |
4 | 1302301112001011122 |
5 | 4004341003020010 |
6 | 132340233212414 |
7 | 11621602212310 |
oct | 1626126010532 |
9 | 383072268821 |
10 | 123234423130 |
11 | 4829968a095 |
12 | 1ba72b6110a |
13 | b80c319200 |
14 | 5d70b320b0 |
15 | 3313e0323a |
hex | 1cb158115a |
123234423130 has 192 divisors, whose sum is σ = 291819939840. Its totient is φ = 36583342848.
The previous prime is 123234423083. The next prime is 123234423181. The reversal of 123234423130 is 31324432321.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23148649 + ... + 23153971.
It is an arithmetic number, because the mean of its divisors is an integer number (1519895520).
Almost surely, 2123234423130 is an apocalyptic number.
123234423130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123234423130 is an abundant number, since it is smaller than the sum of its proper divisors (168585516710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123234423130 is a wasteful number, since it uses less digits than its factorization.
123234423130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5485 (or 5472 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 28.
Adding to 123234423130 its reverse (31324432321), we get a palindrome (154558855451).
The spelling of 123234423130 in words is "one hundred twenty-three billion, two hundred thirty-four million, four hundred twenty-three thousand, one hundred thirty".
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