Base | Representation |
---|---|
bin | 110111111011111100… |
… | …1010001010001111011 |
3 | 102111001120210212011001 |
4 | 1233313321101101323 |
5 | 3432003003233311 |
6 | 131103410545431 |
7 | 11451522344221 |
oct | 1576771212173 |
9 | 374046725131 |
10 | 120123102331 |
11 | 46a423a5791 |
12 | 1b344b98277 |
13 | b43485939b |
14 | 5b5782cb11 |
15 | 31d0bc04c1 |
hex | 1bf7e5147b |
120123102331 has 16 divisors (see below), whose sum is σ = 128775873600. Its totient is φ = 111649747968.
The previous prime is 120123102329. The next prime is 120123102343. The reversal of 120123102331 is 133201321021.
It is a cyclic number.
It is not a de Polignac number, because 120123102331 - 21 = 120123102329 is a prime.
It is a super-2 number, since 2×1201231023312 (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 = 120123102299 and 120123102308.
It is not an unprimeable number, because it can be changed into a prime (120123102311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196965 + ... + 1293433.
It is an arithmetic number, because the mean of its divisors is an integer number (8048492100).
Almost surely, 2120123102331 is an apocalyptic number.
120123102331 is a deficient number, since it is larger than the sum of its proper divisors (8652771269).
120123102331 is an equidigital number, since it uses as much as digits as its factorization.
120123102331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97398.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 120123102331 its reverse (133201321021), we get a palindrome (253324423352).
The spelling of 120123102331 in words is "one hundred twenty billion, one hundred twenty-three million, one hundred two thousand, three hundred thirty-one".
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