Base | Representation |
---|---|
bin | 10110100110000010… |
… | …00101100100001011 |
3 | 1011022101010121210002 |
4 | 23103001011210023 |
5 | 144320313241412 |
6 | 5323400313215 |
7 | 606412046606 |
oct | 132301054413 |
9 | 34271117702 |
10 | 12130212107 |
11 | 5165208992 |
12 | 242647280b |
13 | 11b4125a00 |
14 | 83103533d |
15 | 4aede1dc2 |
hex | 2d304590b |
12130212107 has 12 divisors (see below), whose sum is σ = 13229604360. Its totient is φ = 11116542528.
The previous prime is 12130212103. The next prime is 12130212221. The reversal of 12130212107 is 70121203121.
It is not a de Polignac number, because 12130212107 - 22 = 12130212103 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12130212103) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234698 + ... + 281679.
It is an arithmetic number, because the mean of its divisors is an integer number (1102467030).
Almost surely, 212130212107 is an apocalyptic number.
12130212107 is a deficient number, since it is larger than the sum of its proper divisors (1099392253).
12130212107 is a wasteful number, since it uses less digits than its factorization.
12130212107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516542 (or 516529 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 20.
Adding to 12130212107 its reverse (70121203121), we get a palindrome (82251415228).
The spelling of 12130212107 in words is "twelve billion, one hundred thirty million, two hundred twelve thousand, one hundred seven".
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