Base | Representation |
---|---|
bin | 10110100110000001… |
… | …01101011110011000 |
3 | 1011022100221121102110 |
4 | 23103000231132120 |
5 | 144320302112212 |
6 | 5323354232320 |
7 | 606411156123 |
oct | 132300553630 |
9 | 34270847373 |
10 | 12130113432 |
11 | 5165150838 |
12 | 24264256a0 |
13 | 11b40bcb18 |
14 | 83100b3ba |
15 | 4aedc2a3c |
hex | 2d302d798 |
12130113432 has 16 divisors (see below), whose sum is σ = 30325283640. Its totient is φ = 4043371136.
The previous prime is 12130113431. The next prime is 12130113439. The reversal of 12130113432 is 23431103121.
It is a junction number, because it is equal to n+sod(n) for n = 12130113399 and 12130113408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12130113431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252710673 + ... + 252710720.
Almost surely, 212130113432 is an apocalyptic number.
12130113432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12130113432 is an abundant number, since it is smaller than the sum of its proper divisors (18195170208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12130113432 is a wasteful number, since it uses less digits than its factorization.
12130113432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 505421402 (or 505421398 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 12130113432 its reverse (23431103121), we get a palindrome (35561216553).
The spelling of 12130113432 in words is "twelve billion, one hundred thirty million, one hundred thirteen thousand, four hundred thirty-two".
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