Base | Representation |
---|---|
bin | 1110010110110… |
… | …10100101000001 |
3 | 22101121121222001 |
4 | 13023122211001 |
5 | 221312323321 |
6 | 15541144001 |
7 | 2661443335 |
oct | 713324501 |
9 | 271547861 |
10 | 120432961 |
11 | 61a88080 |
12 | 343bb001 |
13 | 1bc4900c |
14 | 11dcd7c5 |
15 | a88dc91 |
hex | 72da941 |
120432961 has 4 divisors (see below), whose sum is σ = 131381424. Its totient is φ = 109484500.
The previous prime is 120432959. The next prime is 120432967. The reversal of 120432961 is 169234021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 120432961 - 21 = 120432959 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120432967) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5474215 + ... + 5474236.
It is an arithmetic number, because the mean of its divisors is an integer number (32845356).
Almost surely, 2120432961 is an apocalyptic number.
120432961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
120432961 is a deficient number, since it is larger than the sum of its proper divisors (10948463).
120432961 is a wasteful number, since it uses less digits than its factorization.
120432961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10948462.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 120432961 is about 10974.1952324533. The cubic root of 120432961 is about 493.8349104411.
Adding to 120432961 its reverse (169234021), we get a palindrome (289666982).
The spelling of 120432961 in words is "one hundred twenty million, four hundred thirty-two thousand, nine hundred sixty-one".
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