Base | Representation |
---|---|
bin | 111000000001100100… |
… | …1111001110011111111 |
3 | 102111112202021110112121 |
4 | 1300003021321303333 |
5 | 3432344333341111 |
6 | 131134235543411 |
7 | 11456305141321 |
oct | 1600311716377 |
9 | 374482243477 |
10 | 120312012031 |
11 | 47029aa3402 |
12 | 1b3982bab67 |
13 | b464a2c783 |
14 | 5b74965611 |
15 | 31e2588871 |
hex | 1c03279cff |
120312012031 has 8 divisors (see below), whose sum is σ = 120461781744. Its totient is φ = 120162337920.
The previous prime is 120312012017. The next prime is 120312012071. The reversal of 120312012031 is 130210213021.
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 120312012031 - 219 = 120311487743 is a prime.
It is a super-2 number, since 2×1203120120312 (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 = 120312011996 and 120312012014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120312012071) 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, 2681575 + ... + 2726071.
It is an arithmetic number, because the mean of its divisors is an integer number (15057722718).
Almost surely, 2120312012031 is an apocalyptic number.
120312012031 is a deficient number, since it is larger than the sum of its proper divisors (149769713).
120312012031 is a wasteful number, since it uses less digits than its factorization.
120312012031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47801.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 120312012031 its reverse (130210213021), we get a palindrome (250522225052).
The spelling of 120312012031 in words is "one hundred twenty billion, three hundred twelve million, twelve thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.213 sec. • engine limits •