Base | Representation |
---|---|
bin | 1101011101011001100… |
… | …0111100011111001010 |
3 | 211002211211021200011102 |
4 | 3113112120330133022 |
5 | 12242024403130442 |
6 | 254120424101402 |
7 | 22464045451025 |
oct | 3272630743712 |
9 | 732754250142 |
10 | 231230130122 |
11 | 8a0784201a2 |
12 | 38992604862 |
13 | 18a604c7a04 |
14 | b297a601bc |
15 | 603508b232 |
hex | 35d663c7ca |
231230130122 has 16 divisors (see below), whose sum is σ = 349636761600. Its totient is φ = 114684858288.
The previous prime is 231230130119. The next prime is 231230130143. The reversal of 231230130122 is 221031032132.
It is a junction number, because it is equal to n+sod(n) for n = 231230130094 and 231230130103.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450004 + ... + 1601552.
It is an arithmetic number, because the mean of its divisors is an integer number (21852297600).
Almost surely, 2231230130122 is an apocalyptic number.
231230130122 is a deficient number, since it is larger than the sum of its proper divisors (118406631478).
231230130122 is a wasteful number, since it uses less digits than its factorization.
231230130122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157685.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 231230130122 its reverse (221031032132), we get a palindrome (452261162254).
The spelling of 231230130122 in words is "two hundred thirty-one billion, two hundred thirty million, one hundred thirty thousand, one hundred twenty-two".
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