Base | Representation |
---|---|
bin | 111110011101111001… |
… | …1111100000100000000 |
3 | 110211020222002220102201 |
4 | 1330323303330010000 |
5 | 4144213222113110 |
6 | 141343153322544 |
7 | 12456204400354 |
oct | 1747363740400 |
9 | 424228086381 |
10 | 134147457280 |
11 | 51989819181 |
12 | 21bb9866454 |
13 | c85b214975 |
14 | 66c8245464 |
15 | 3752014b3a |
hex | 1f3bcfc100 |
134147457280 has 72 divisors (see below), whose sum is σ = 322704876312. Its totient is φ = 53428568064.
The previous prime is 134147457277. The next prime is 134147457299. The reversal of 134147457280 is 82754741431.
It can be written as a sum of positive squares in 4 ways, for example, as 24072143104 + 110075314176 = 155152^2 + 331776^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 134147457280.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73342 + ... + 523138.
It is an arithmetic number, because the mean of its divisors is an integer number (4482012171).
Almost surely, 2134147457280 is an apocalyptic number.
134147457280 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 134147457280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161352438156).
134147457280 is an abundant number, since it is smaller than the sum of its proper divisors (188557419032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
134147457280 is an equidigital number, since it uses as much as digits as its factorization.
134147457280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450051 (or 450037 counting only the distinct ones).
The product of its (nonzero) digits is 752640, while the sum is 46.
The spelling of 134147457280 in words is "one hundred thirty-four billion, one hundred forty-seven million, four hundred fifty-seven thousand, two hundred eighty".
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