Base | Representation |
---|---|
bin | 1111000000101… |
… | …01011111100000 |
3 | 22202221020212020 |
4 | 13200111133200 |
5 | 224213322102 |
6 | 20254501440 |
7 | 3056164254 |
oct | 740253740 |
9 | 282836766 |
10 | 125917152 |
11 | 65093469 |
12 | 36204880 |
13 | 201192ba |
14 | 12a1a264 |
15 | b0c3bbc |
hex | 78157e0 |
125917152 has 48 divisors (see below), whose sum is σ = 334736640. Its totient is φ = 41438592.
The previous prime is 125917139. The next prime is 125917153. The reversal of 125917152 is 251719521.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×1259171522 = 31710258335582208, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125917153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 15885.
It is an arithmetic number, because the mean of its divisors is an integer number (6973680).
Almost surely, 2125917152 is an apocalyptic number.
125917152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 125917152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167368320).
125917152 is an abundant number, since it is smaller than the sum of its proper divisors (208819488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125917152 is a wasteful number, since it uses less digits than its factorization.
125917152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16695 (or 16687 counting only the distinct ones).
The product of its digits is 6300, while the sum is 33.
The square root of 125917152 is about 11221.2812102718. The cubic root of 125917152 is about 501.2198906465.
The spelling of 125917152 in words is "one hundred twenty-five million, nine hundred seventeen thousand, one hundred fifty-two".
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