Base | Representation |
---|---|
bin | 1110111100011… |
… | …11100111001100 |
3 | 22201220101122011 |
4 | 13132033213030 |
5 | 224043300110 |
6 | 20235031004 |
7 | 3051421435 |
oct | 736174714 |
9 | 281811564 |
10 | 125368780 |
11 | 64849469 |
12 | 35b9b464 |
13 | 1cc86814 |
14 | 1291648c |
15 | b01648a |
hex | 778f9cc |
125368780 has 12 divisors (see below), whose sum is σ = 263274480. Its totient is φ = 50147504.
The previous prime is 125368757. The next prime is 125368781. The reversal of 125368780 is 87863521.
It is not an unprimeable number, because it can be changed into a prime (125368781) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 3134200 + ... + 3134239.
It is an arithmetic number, because the mean of its divisors is an integer number (21939540).
Almost surely, 2125368780 is an apocalyptic number.
125368780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
125368780 is an abundant number, since it is smaller than the sum of its proper divisors (137905700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125368780 is a wasteful number, since it uses less digits than its factorization.
125368780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6268448 (or 6268446 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 40.
The square root of 125368780 is about 11196.8200842918. The cubic root of 125368780 is about 500.4912239068.
It can be divided in two parts, 12536 and 8780, that added together give a square (21316 = 1462).
The spelling of 125368780 in words is "one hundred twenty-five million, three hundred sixty-eight thousand, seven hundred eighty".
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