Base | Representation |
---|---|
bin | 1110010101111… |
… | …11101111010111 |
3 | 22101102001011120 |
4 | 13022333233113 |
5 | 221300314111 |
6 | 15534535023 |
7 | 2660505003 |
oct | 712775727 |
9 | 271361146 |
10 | 120323031 |
11 | 61a12524 |
12 | 34367473 |
13 | 1bc0ac7a |
14 | 11da1703 |
15 | a86b406 |
hex | 72bfbd7 |
120323031 has 8 divisors (see below), whose sum is σ = 161055984. Its totient is φ = 79902720.
The previous prime is 120323011. The next prime is 120323033. The reversal of 120323031 is 130323021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 120323031 - 29 = 120322519 is a prime.
It is a super-2 number, since 2×1203230312 = 28955263578053922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 120323031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120323033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77260 + ... + 78801.
It is an arithmetic number, because the mean of its divisors is an integer number (20131998).
Almost surely, 2120323031 is an apocalyptic number.
120323031 is a deficient number, since it is larger than the sum of its proper divisors (40732953).
120323031 is a wasteful number, since it uses less digits than its factorization.
120323031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156321.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 120323031 is about 10969.1855212682. The cubic root of 120323031 is about 493.6846088480.
Adding to 120323031 its reverse (130323021), we get a palindrome (250646052).
The spelling of 120323031 in words is "one hundred twenty million, three hundred twenty-three thousand, thirty-one".
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