Base | Representation |
---|---|
bin | 1111000000101… |
… | …10001110011101 |
3 | 22202221101222112 |
4 | 13200112032131 |
5 | 224213421112 |
6 | 20254523405 |
7 | 3056206106 |
oct | 740261635 |
9 | 282841875 |
10 | 125920157 |
11 | 65095750 |
12 | 36206565 |
13 | 2011a78c |
14 | 12a1b3ad |
15 | b0c4a22 |
hex | 781639d |
125920157 has 8 divisors (see below), whose sum is σ = 137475552. Its totient is φ = 114382800.
The previous prime is 125920153. The next prime is 125920169. The reversal of 125920157 is 751029521.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 125920157 - 22 = 125920153 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125920153) 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, 13103 + ... + 20579.
It is an arithmetic number, because the mean of its divisors is an integer number (17184444).
Almost surely, 2125920157 is an apocalyptic number.
It is an amenable number.
125920157 is a deficient number, since it is larger than the sum of its proper divisors (11555395).
125920157 is a wasteful number, since it uses less digits than its factorization.
125920157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9019.
The product of its (nonzero) digits is 6300, while the sum is 32.
The square root of 125920157 is about 11221.4151068392. The cubic root of 125920157 is about 501.2238778020.
Adding to 125920157 its reverse (751029521), we get a palindrome (876949678).
The spelling of 125920157 in words is "one hundred twenty-five million, nine hundred twenty thousand, one hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •