Base | Representation |
---|---|
bin | 1110111101100… |
… | …11010100010110 |
3 | 22202011211020211 |
4 | 13132303110112 |
5 | 224112440110 |
6 | 20242120034 |
7 | 3052601014 |
oct | 736632426 |
9 | 282154224 |
10 | 125515030 |
11 | 64939333 |
12 | 3605001a |
13 | 20008264 |
14 | 129538b4 |
15 | b04498a |
hex | 77b3516 |
125515030 has 16 divisors (see below), whose sum is σ = 227654064. Its totient is φ = 49822240.
The previous prime is 125515021. The next prime is 125515031. The reversal of 125515030 is 30515521.
It is a junction number, because it is equal to n+sod(n) for n = 125514992 and 125515010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125515031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46597 + ... + 49216.
It is an arithmetic number, because the mean of its divisors is an integer number (14228379).
Almost surely, 2125515030 is an apocalyptic number.
125515030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
125515030 is a deficient number, since it is larger than the sum of its proper divisors (102139034).
125515030 is a wasteful number, since it uses less digits than its factorization.
125515030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95951.
The product of its (nonzero) digits is 750, while the sum is 22.
The square root of 125515030 is about 11203.3490528502. The cubic root of 125515030 is about 500.6857656875.
The spelling of 125515030 in words is "one hundred twenty-five million, five hundred fifteen thousand, thirty".
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