Base | Representation |
---|---|
bin | 10110100110000001… |
… | …10010000111010010 |
3 | 1011022100222120111020 |
4 | 23103000302013102 |
5 | 144320303214214 |
6 | 5323354500310 |
7 | 606411265410 |
oct | 132300620722 |
9 | 34270876436 |
10 | 12130132434 |
11 | 5165164042 |
12 | 2426434696 |
13 | 11b40c8674 |
14 | 8310142b0 |
15 | 4aedc84a9 |
hex | 2d30321d2 |
12130132434 has 64 divisors (see below), whose sum is σ = 29450117376. Its totient is φ = 3251533824.
The previous prime is 12130132433. The next prime is 12130132439. The reversal of 12130132434 is 43423103121.
It is a happy number.
It is a super-2 number, since 2×121301324342 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12130132433) 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, 199542 + ... + 253134.
It is an arithmetic number, because the mean of its divisors is an integer number (460158084).
Almost surely, 212130132434 is an apocalyptic number.
12130132434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12130132434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14725058688).
12130132434 is an abundant number, since it is smaller than the sum of its proper divisors (17319984942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12130132434 is a wasteful number, since it uses less digits than its factorization.
12130132434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53939.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 12130132434 its reverse (43423103121), we get a palindrome (55553235555).
It can be divided in two parts, 121301 and 32434, that added together give a triangular number (153735 = T554).
The spelling of 12130132434 in words is "twelve billion, one hundred thirty million, one hundred thirty-two thousand, four hundred thirty-four".
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