Base | Representation |
---|---|
bin | 10110100101011011… |
… | …00110000101010111 |
3 | 1011022000112000121112 |
4 | 23102231212011113 |
5 | 144313011234143 |
6 | 5323055005235 |
7 | 606320445560 |
oct | 132255460527 |
9 | 34260460545 |
10 | 12125102423 |
11 | 5162338a05 |
12 | 242480981b |
13 | 11b3057025 |
14 | 8304a5167 |
15 | 4ae732e18 |
hex | 2d2b66157 |
12125102423 has 16 divisors (see below), whose sum is σ = 14814858240. Its totient is φ = 9686618496.
The previous prime is 12125102417. The next prime is 12125102489. The reversal of 12125102423 is 32420152121.
It is not a de Polignac number, because 12125102423 - 226 = 12057993559 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12125102023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482363 + ... + 506876.
It is an arithmetic number, because the mean of its divisors is an integer number (925928640).
Almost surely, 212125102423 is an apocalyptic number.
12125102423 is a deficient number, since it is larger than the sum of its proper divisors (2689755817).
12125102423 is a wasteful number, since it uses less digits than its factorization.
12125102423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 989366.
The product of its (nonzero) digits is 960, while the sum is 23.
Adding to 12125102423 its reverse (32420152121), we get a palindrome (44545254544).
The spelling of 12125102423 in words is "twelve billion, one hundred twenty-five million, one hundred two thousand, four hundred twenty-three".
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