Base | Representation |
---|---|
bin | 110111111000101010… |
… | …1010011110000111111 |
3 | 102110202220122200122112 |
4 | 1233301111103300333 |
5 | 3431241312341111 |
6 | 131044435204235 |
7 | 11446014525233 |
oct | 1576125236077 |
9 | 373686580575 |
10 | 120013012031 |
11 | 46996242270 |
12 | 1b31414667b |
13 | b417ac1bb3 |
14 | 5b46d725c3 |
15 | 31c61c5e8b |
hex | 1bf1553c3f |
120013012031 has 8 divisors (see below), whose sum is σ = 138624655824. Its totient is φ = 102684929920.
The previous prime is 120013012013. The next prime is 120013012037. The reversal of 120013012031 is 130210310021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 120013012031 - 210 = 120013011007 is a prime.
It is a super-2 number, since 2×1200130120312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120013011997 and 120013012015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120013012037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320890220 + ... + 320890593.
It is an arithmetic number, because the mean of its divisors is an integer number (17328081978).
Almost surely, 2120013012031 is an apocalyptic number.
120013012031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
120013012031 is a deficient number, since it is larger than the sum of its proper divisors (18611643793).
120013012031 is a wasteful number, since it uses less digits than its factorization.
120013012031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 641780841.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 120013012031 its reverse (130210310021), we get a palindrome (250223322052).
The spelling of 120013012031 in words is "one hundred twenty billion, thirteen million, twelve thousand, thirty-one".
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