Base | Representation |
---|---|
bin | 10111000110001100… |
… | …01111110110101110 |
3 | 1012000011210021210012 |
4 | 23203012033312232 |
5 | 200343400003210 |
6 | 5410235013222 |
7 | 616166156516 |
oct | 134306176656 |
9 | 35004707705 |
10 | 12400000430 |
11 | 5293527944 |
12 | 24a089a212 |
13 | 1227ca637c |
14 | 858bc2846 |
15 | 4c8934305 |
hex | 2e318fdae |
12400000430 has 32 divisors (see below), whose sum is σ = 23639636160. Its totient is φ = 4666913280.
The previous prime is 12400000399. The next prime is 12400000463. The reversal of 12400000430 is 3400000421.
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, 760160 + ... + 776300.
It is an arithmetic number, because the mean of its divisors is an integer number (738738630).
Almost surely, 212400000430 is an apocalyptic number.
12400000430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12400000430 is a deficient number, since it is larger than the sum of its proper divisors (11239635730).
12400000430 is a wasteful number, since it uses less digits than its factorization.
12400000430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20684.
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 12400000430 its reverse (3400000421), we get a palindrome (15800000851).
Subtracting from 12400000430 its reverse (3400000421), we obtain a palindrome (9000000009).
The spelling of 12400000430 in words is "twelve billion, four hundred million, four hundred thirty", and thus it is an aban number.
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