Base | Representation |
---|---|
bin | 1110011001001… |
… | …11010100000001 |
3 | 22102012121002221 |
4 | 13030213110001 |
5 | 221402403030 |
6 | 15552011041 |
7 | 2664222562 |
oct | 714472401 |
9 | 272177087 |
10 | 120747265 |
11 | 62182231 |
12 | 34530a81 |
13 | 1c0290b2 |
14 | 12072169 |
15 | a901e7a |
hex | 7327501 |
120747265 has 4 divisors (see below), whose sum is σ = 144896724. Its totient is φ = 96597808.
The previous prime is 120747259. The next prime is 120747269. The reversal of 120747265 is 562747021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562747021 = 61 ⋅9225361.
It can be written as a sum of positive squares in 2 ways, for example, as 36529936 + 84217329 = 6044^2 + 9177^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120747265 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 120747265.
It is not an unprimeable number, because it can be changed into a prime (120747269) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12074722 + ... + 12074731.
It is an arithmetic number, because the mean of its divisors is an integer number (36224181).
Almost surely, 2120747265 is an apocalyptic number.
It is an amenable number.
120747265 is a deficient number, since it is larger than the sum of its proper divisors (24149459).
120747265 is an equidigital number, since it uses as much as digits as its factorization.
120747265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24149458.
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 120747265 is about 10988.5060404042. The cubic root of 120747265 is about 494.2641380562.
The spelling of 120747265 in words is "one hundred twenty million, seven hundred forty-seven thousand, two hundred sixty-five".
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