Base | Representation |
---|---|
bin | 10110100101011100… |
… | …01000111100111100 |
3 | 1011022000210021112012 |
4 | 23102232020330330 |
5 | 144313030321434 |
6 | 5323102030352 |
7 | 606321612140 |
oct | 132256107474 |
9 | 34260707465 |
10 | 12125245244 |
11 | 5162426242 |
12 | 24248783b8 |
13 | 11b30a7038 |
14 | 830501220 |
15 | 4ae7603ce |
hex | 2d2b88f3c |
12125245244 has 48 divisors (see below), whose sum is σ = 24628961280. Its totient is φ = 5116063680.
The previous prime is 12125245211. The next prime is 12125245277. The reversal of 12125245244 is 44254252121.
It is an interprime number because it is at equal distance from previous prime (12125245211) and next prime (12125245277).
It is a self number, because there is not a number n which added to its sum of digits gives 12125245244.
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, 452822 + ... + 478850.
It is an arithmetic number, because the mean of its divisors is an integer number (513103360).
Almost surely, 212125245244 is an apocalyptic number.
12125245244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12125245244 is an abundant number, since it is smaller than the sum of its proper divisors (12503716036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12125245244 is a wasteful number, since it uses less digits than its factorization.
12125245244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26298 (or 26296 counting only the distinct ones).
The product of its digits is 25600, while the sum is 32.
Adding to 12125245244 its reverse (44254252121), we get a palindrome (56379497365).
The spelling of 12125245244 in words is "twelve billion, one hundred twenty-five million, two hundred forty-five thousand, two hundred forty-four".
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