Base | Representation |
---|---|
bin | 1110011001010… |
… | …00111111101101 |
3 | 22102012221120012 |
4 | 13030220333231 |
5 | 221403113112 |
6 | 15552103005 |
7 | 2664251636 |
oct | 714507755 |
9 | 272187505 |
10 | 120754157 |
11 | 62187427 |
12 | 34534a65 |
13 | 1c02c284 |
14 | 1207488d |
15 | a904022 |
hex | 7328fed |
120754157 has 4 divisors (see below), whose sum is σ = 120796956. Its totient is φ = 120711360.
The previous prime is 120754141. The next prime is 120754159. The reversal of 120754157 is 751457021.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 53743561 + 67010596 = 7331^2 + 8186^2 .
It is a cyclic number.
It is not a de Polignac number, because 120754157 - 24 = 120754141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120754159) 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, 16844 + ... + 22917.
It is an arithmetic number, because the mean of its divisors is an integer number (30199239).
Almost surely, 2120754157 is an apocalyptic number.
It is an amenable number.
120754157 is a deficient number, since it is larger than the sum of its proper divisors (42799).
120754157 is an equidigital number, since it uses as much as digits as its factorization.
120754157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42798.
The product of its (nonzero) digits is 9800, while the sum is 32.
The square root of 120754157 is about 10988.8196363395. The cubic root of 120754157 is about 494.2735417299.
The spelling of 120754157 in words is "one hundred twenty million, seven hundred fifty-four thousand, one hundred fifty-seven".
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