Base | Representation |
---|---|
bin | 101101111100… |
… | …101101010001 |
3 | 211122221211012 |
4 | 231330231101 |
5 | 11040421022 |
6 | 1110100305 |
7 | 204245006 |
oct | 55745521 |
9 | 24587735 |
10 | 12045137 |
11 | 6887765 |
12 | 404a695 |
13 | 2659700 |
14 | 18578ad |
15 | 10cdde2 |
hex | b7cb51 |
12045137 has 12 divisors (see below), whose sum is σ = 13140864. Its totient is φ = 11035440.
The previous prime is 12045133. The next prime is 12045139. The reversal of 12045137 is 73154021.
It is not a de Polignac number, because 12045137 - 22 = 12045133 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12045133) 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, 44312 + ... + 44582.
It is an arithmetic number, because the mean of its divisors is an integer number (1095072).
Almost surely, 212045137 is an apocalyptic number.
It is an amenable number.
12045137 is a deficient number, since it is larger than the sum of its proper divisors (1095727).
12045137 is a wasteful number, since it uses less digits than its factorization.
12045137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560 (or 547 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 12045137 is about 3470.6104650335. The cubic root of 12045137 is about 229.2295391716.
Adding to 12045137 its reverse (73154021), we get a palindrome (85199158).
The spelling of 12045137 in words is "twelve million, forty-five thousand, one hundred thirty-seven".
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