Base | Representation |
---|---|
bin | 1111000111010… |
… | …11000010110100 |
3 | 22211120200201211 |
4 | 13203223002310 |
5 | 224424314420 |
6 | 20325331204 |
7 | 3066466366 |
oct | 743530264 |
9 | 284520654 |
10 | 126791860 |
11 | 65630668 |
12 | 36566b04 |
13 | 20364490 |
14 | 12ba6d36 |
15 | b1e7e5a |
hex | 78eb0b4 |
126791860 has 48 divisors (see below), whose sum is σ = 296013312. Its totient is φ = 45302400.
The previous prime is 126791849. The next prime is 126791881. The reversal of 126791860 is 68197621.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195 + ... + 15925.
It is an arithmetic number, because the mean of its divisors is an integer number (6166944).
Almost surely, 2126791860 is an apocalyptic number.
126791860 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 126791860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148006656).
126791860 is an abundant number, since it is smaller than the sum of its proper divisors (169221452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126791860 is a wasteful number, since it uses less digits than its factorization.
126791860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15784 (or 15782 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 40.
The square root of 126791860 is about 11260.1891635976. The cubic root of 126791860 is about 502.3778206786.
The spelling of 126791860 in words is "one hundred twenty-six million, seven hundred ninety-one thousand, eight hundred sixty".
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