Base | Representation |
---|---|
bin | 1110111100001… |
… | …10010001010011 |
3 | 22201211110010221 |
4 | 13132012101103 |
5 | 224041034030 |
6 | 20234133511 |
7 | 3051202042 |
oct | 736062123 |
9 | 281743127 |
10 | 125330515 |
11 | 64822742 |
12 | 35b81297 |
13 | 1cc7228b |
14 | 12906559 |
15 | b009e7a |
hex | 7786453 |
125330515 has 4 divisors (see below), whose sum is σ = 150396624. Its totient is φ = 100264408.
The previous prime is 125330483. The next prime is 125330587. The reversal of 125330515 is 515033521.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 125330515 - 25 = 125330483 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 125330515.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12533047 + ... + 12533056.
It is an arithmetic number, because the mean of its divisors is an integer number (37599156).
Almost surely, 2125330515 is an apocalyptic number.
125330515 is a deficient number, since it is larger than the sum of its proper divisors (25066109).
125330515 is an equidigital number, since it uses as much as digits as its factorization.
125330515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25066108.
The product of its (nonzero) digits is 2250, while the sum is 25.
The square root of 125330515 is about 11195.1112098094. Note that the first 3 decimals coincide. The cubic root of 125330515 is about 500.4402988267.
The spelling of 125330515 in words is "one hundred twenty-five million, three hundred thirty thousand, five hundred fifteen".
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