Base | Representation |
---|---|
bin | 111001011000100111… |
… | …0011010110001100001 |
3 | 102210002021120010111120 |
4 | 1302301032122301201 |
5 | 4004340000244301 |
6 | 132340122402453 |
7 | 11621546245035 |
oct | 1626116326141 |
9 | 383067503446 |
10 | 123232431201 |
11 | 48298549570 |
12 | 1ba72360429 |
13 | b80ba9c659 |
14 | 5d707741c5 |
15 | 3313b5ce36 |
hex | 1cb139ac61 |
123232431201 has 32 divisors (see below), whose sum is σ = 179782986240. Its totient is φ = 74463417600.
The previous prime is 123232431109. The next prime is 123232431211. The reversal of 123232431201 is 102134232321.
It is not a de Polignac number, because 123232431201 - 29 = 123232430689 is a prime.
It is not an unprimeable number, because it can be changed into a prime (123232431211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16806106 + ... + 16813436.
It is an arithmetic number, because the mean of its divisors is an integer number (5618218320).
Almost surely, 2123232431201 is an apocalyptic number.
123232431201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
123232431201 is a deficient number, since it is larger than the sum of its proper divisors (56550555039).
123232431201 is a wasteful number, since it uses less digits than its factorization.
123232431201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8797.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 123232431201 its reverse (102134232321), we get a palindrome (225366663522).
The spelling of 123232431201 in words is "one hundred twenty-three billion, two hundred thirty-two million, four hundred thirty-one thousand, two hundred one".
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