Base | Representation |
---|---|
bin | 1110111010100… |
… | …10011001011101 |
3 | 22201102122200200 |
4 | 13131102121131 |
5 | 224012234140 |
6 | 20225414113 |
7 | 3046325433 |
oct | 735223135 |
9 | 281378620 |
10 | 125118045 |
11 | 64698048 |
12 | 35a9a339 |
13 | 1cbc9660 |
14 | 1288cd53 |
15 | aeb7030 |
hex | 775265d |
125118045 has 96 divisors (see below), whose sum is σ = 258515712. Its totient is φ = 55351296.
The previous prime is 125118029. The next prime is 125118083. The reversal of 125118045 is 540811521.
It is not a de Polignac number, because 125118045 - 24 = 125118029 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 228462 + ... + 229008.
It is an arithmetic number, because the mean of its divisors is an integer number (2692872).
Almost surely, 2125118045 is an apocalyptic number.
125118045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
125118045 is an abundant number, since it is smaller than the sum of its proper divisors (133397667).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125118045 is a wasteful number, since it uses less digits than its factorization.
125118045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611 (or 608 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 27.
The square root of 125118045 is about 11185.6177746247. The cubic root of 125118045 is about 500.1573438140.
Adding to 125118045 its reverse (540811521), we get a palindrome (665929566).
The spelling of 125118045 in words is "one hundred twenty-five million, one hundred eighteen thousand, forty-five".
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