Base | Representation |
---|---|
bin | 111010010111101100… |
… | …0000100010001010111 |
3 | 102222112210001100201220 |
4 | 1310233120010101113 |
5 | 4023203303432222 |
6 | 133330125421423 |
7 | 12025155660660 |
oct | 1645730042127 |
9 | 388483040656 |
10 | 125348889687 |
11 | 491841a910a |
12 | 2036310a873 |
13 | ba88400958 |
14 | 60d18a6367 |
15 | 33d9876b5c |
hex | 1d2f604457 |
125348889687 has 16 divisors (see below), whose sum is σ = 191130401280. Its totient is φ = 71581973472.
The previous prime is 125348889667. The next prime is 125348889689. The reversal of 125348889687 is 786988843521.
It is not a de Polignac number, because 125348889687 - 26 = 125348889623 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125348889689) 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, 1881628 + ... + 1947105.
It is an arithmetic number, because the mean of its divisors is an integer number (11945650080).
Almost surely, 2125348889687 is an apocalyptic number.
125348889687 is a deficient number, since it is larger than the sum of its proper divisors (65781511593).
125348889687 is a wasteful number, since it uses less digits than its factorization.
125348889687 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3830302.
The product of its digits is 185794560, while the sum is 69.
The spelling of 125348889687 in words is "one hundred twenty-five billion, three hundred forty-eight million, eight hundred eighty-nine thousand, six hundred eighty-seven".
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