Base | Representation |
---|---|
bin | 111010101000011110… |
… | …1000110000111001000 |
3 | 110001000001002202111122 |
4 | 1311100331012013020 |
5 | 4030332013312210 |
6 | 133502052214412 |
7 | 12045136264235 |
oct | 1652075060710 |
9 | 401001082448 |
10 | 125912244680 |
11 | 494431a8052 |
12 | 2049b90a408 |
13 | bb48038ac1 |
14 | 614663078c |
15 | 341e056b55 |
hex | 1d50f461c8 |
125912244680 has 128 divisors (see below), whose sum is σ = 293317066080. Its totient is φ = 48608501760.
The previous prime is 125912244677. The next prime is 125912244701. The reversal of 125912244680 is 86442219521.
It can be written as a sum of positive squares in 16 ways, for example, as 63868409284 + 62043835396 = 252722^2 + 249086^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115198214 + ... + 115199306.
Almost surely, 2125912244680 is an apocalyptic number.
125912244680 is a gapful number since it is divisible by the number (10) 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 125912244680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146658533040).
125912244680 is an abundant number, since it is smaller than the sum of its proper divisors (167404821400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125912244680 is a wasteful number, since it uses less digits than its factorization.
125912244680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1699 (or 1695 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 44.
The spelling of 125912244680 in words is "one hundred twenty-five billion, nine hundred twelve million, two hundred forty-four thousand, six hundred eighty".
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