Base | Representation |
---|---|
bin | 100100101011111… |
… | …1100010010101000 |
3 | 10011210100221102021 |
4 | 1021113330102220 |
5 | 10010114404112 |
6 | 322052514224 |
7 | 42335303164 |
oct | 11127742250 |
9 | 3153327367 |
10 | 1231013032 |
11 | 581969347 |
12 | 2a431b974 |
13 | 1680625a2 |
14 | b96c3ca4 |
15 | 73114907 |
hex | 495fc4a8 |
1231013032 has 32 divisors (see below), whose sum is σ = 2350494720. Its totient is φ = 604316160.
The previous prime is 1231013011. The next prime is 1231013093. The reversal of 1231013032 is 2303101321.
It is a junction number, because it is equal to n+sod(n) for n = 1231012997 and 1231013015.
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, 92307 + ... + 104797.
It is an arithmetic number, because the mean of its divisors is an integer number (73452960).
Almost surely, 21231013032 is an apocalyptic number.
It is an amenable number.
1231013032 is a deficient number, since it is larger than the sum of its proper divisors (1119481688).
1231013032 is a wasteful number, since it uses less digits than its factorization.
1231013032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12721 (or 12717 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1231013032 is about 35085.7953023727. The cubic root of 1231013032 is about 1071.7353364788.
Adding to 1231013032 its reverse (2303101321), we get a palindrome (3534114353).
The spelling of 1231013032 in words is "one billion, two hundred thirty-one million, thirteen thousand, thirty-two".
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