Base | Representation |
---|---|
bin | 111010010110100110… |
… | …1010101011100101001 |
3 | 102222110020121200200110 |
4 | 1310231031111130221 |
5 | 4023120001201100 |
6 | 133322350124533 |
7 | 12024234601545 |
oct | 1645515253451 |
9 | 388406550613 |
10 | 125312522025 |
11 | 49165719599 |
12 | 20352ab0749 |
13 | ba80a09522 |
14 | 60cab1aa25 |
15 | 33d6591250 |
hex | 1d2d355729 |
125312522025 has 48 divisors (see below), whose sum is σ = 219474952704. Its totient is φ = 62872058880.
The previous prime is 125312522017. The next prime is 125312522033. The reversal of 125312522025 is 520225213521.
It is an interprime number because it is at equal distance from previous prime (125312522017) and next prime (125312522033).
It is not a de Polignac number, because 125312522025 - 23 = 125312522017 is a prime.
It is a super-3 number, since 3×1253125220253 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 125312521983 and 125312522001.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2791659 + ... + 2836191.
It is an arithmetic number, because the mean of its divisors is an integer number (4572394848).
Almost surely, 2125312522025 is an apocalyptic number.
125312522025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
125312522025 is a deficient number, since it is larger than the sum of its proper divisors (94162430679).
125312522025 is a wasteful number, since it uses less digits than its factorization.
125312522025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46770 (or 46765 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 30.
Adding to 125312522025 its reverse (520225213521), we get a palindrome (645537735546).
The spelling of 125312522025 in words is "one hundred twenty-five billion, three hundred twelve million, five hundred twenty-two thousand, twenty-five".
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