Base | Representation |
---|---|
bin | 10110110011001001… |
… | …10010001111010110 |
3 | 1011121001011021122220 |
4 | 23121210302033112 |
5 | 200031444432210 |
6 | 5342330403210 |
7 | 612216160515 |
oct | 133144621726 |
9 | 34531137586 |
10 | 12240233430 |
11 | 52113245a7 |
12 | 2457290506 |
13 | 1200b67999 |
14 | 8418b467c |
15 | 4b98c5c70 |
hex | 2d99323d6 |
12240233430 has 32 divisors (see below), whose sum is σ = 29667424608. Its totient is φ = 3231744000.
The previous prime is 12240233407. The next prime is 12240233441. The reversal of 12240233430 is 3433204221.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12240233430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016811 + ... + 2022870.
It is an arithmetic number, because the mean of its divisors is an integer number (927107019).
Almost surely, 212240233430 is an apocalyptic number.
12240233430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12240233430 is an abundant number, since it is smaller than the sum of its proper divisors (17427191178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12240233430 is a wasteful number, since it uses less digits than its factorization.
12240233430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4039792.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 12240233430 its reverse (3433204221), we get a palindrome (15673437651).
The spelling of 12240233430 in words is "twelve billion, two hundred forty million, two hundred thirty-three thousand, four hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •