Base | Representation |
---|---|
bin | 10011000011101010… |
… | …00010111010110100 |
3 | 222102000212100020100 |
4 | 21201311002322310 |
5 | 131423143331012 |
6 | 4411122434100 |
7 | 511353010164 |
oct | 114165027264 |
9 | 28360770210 |
10 | 10231230132 |
11 | 43802986a2 |
12 | 1b96502930 |
13 | c7088a636 |
14 | 6d0b545a4 |
15 | 3ed3358dc |
hex | 261d42eb4 |
10231230132 has 36 divisors (see below), whose sum is σ = 25865459620. Its totient is φ = 3409990272.
The previous prime is 10231230091. The next prime is 10231230161. The reversal of 10231230132 is 23103213201.
It can be written as a sum of positive squares in 2 ways, for example, as 3883283856 + 6347946276 = 62316^2 + 79674^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450768 + ... + 472920.
Almost surely, 210231230132 is an apocalyptic number.
10231230132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10231230132 is an abundant number, since it is smaller than the sum of its proper divisors (15634229488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10231230132 is a wasteful number, since it uses less digits than its factorization.
10231230132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34992 (or 34987 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 10231230132 its reverse (23103213201), we get a palindrome (33334443333).
The spelling of 10231230132 in words is "ten billion, two hundred thirty-one million, two hundred thirty thousand, one hundred thirty-two".
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