Base | Representation |
---|---|
bin | 1110111010101… |
… | …01110011100111 |
3 | 22201110100211210 |
4 | 13131111303213 |
5 | 224013211012 |
6 | 20230002503 |
7 | 3046414230 |
oct | 735256347 |
9 | 281410753 |
10 | 125132007 |
11 | 646a7590 |
12 | 35aa6433 |
13 | 1cc02b10 |
14 | 12894087 |
15 | aebb23c |
hex | 7755ce7 |
125132007 has 32 divisors (see below), whose sum is σ = 224017920. Its totient is φ = 60001920.
The previous prime is 125131999. The next prime is 125132009. The reversal of 125132007 is 700231521.
It is not a de Polignac number, because 125132007 - 23 = 125131999 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125132009) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17832 + ... + 23837.
It is an arithmetic number, because the mean of its divisors is an integer number (7000560).
Almost surely, 2125132007 is an apocalyptic number.
125132007 is a deficient number, since it is larger than the sum of its proper divisors (98885913).
125132007 is a wasteful number, since it uses less digits than its factorization.
125132007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41703.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 125132007 is about 11186.2418622163. The cubic root of 125132007 is about 500.1759474111.
Adding to 125132007 its reverse (700231521), we get a palindrome (825363528).
The spelling of 125132007 in words is "one hundred twenty-five million, one hundred thirty-two thousand, seven".
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