Base | Representation |
---|---|
bin | 1110010110110… |
… | …10001000000011 |
3 | 22101121112102101 |
4 | 13023122020003 |
5 | 221312243412 |
6 | 15541131231 |
7 | 2661435046 |
oct | 713321003 |
9 | 271545371 |
10 | 120431107 |
11 | 61a86745 |
12 | 343b9b17 |
13 | 1bc48214 |
14 | 11dccc5d |
15 | a88d457 |
hex | 72da203 |
120431107 has 4 divisors (see below), whose sum is σ = 121228816. Its totient is φ = 119633400.
The previous prime is 120431071. The next prime is 120431117. The reversal of 120431107 is 701134021.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 120431107 - 27 = 120430979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120431117) 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, 398628 + ... + 398929.
It is an arithmetic number, because the mean of its divisors is an integer number (30307204).
Almost surely, 2120431107 is an apocalyptic number.
120431107 is a deficient number, since it is larger than the sum of its proper divisors (797709).
120431107 is an equidigital number, since it uses as much as digits as its factorization.
120431107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 797708.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 120431107 is about 10974.1107612417. The cubic root of 120431107 is about 493.8323763214.
Adding to 120431107 its reverse (701134021), we get a palindrome (821565128).
The spelling of 120431107 in words is "one hundred twenty million, four hundred thirty-one thousand, one hundred seven".
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