Base | Representation |
---|---|
bin | 11101001101111111… |
… | …110110000010100011 |
3 | 2222222110111110200121 |
4 | 131031333312002203 |
5 | 1003223034244443 |
6 | 22225051501111 |
7 | 2160314046550 |
oct | 351577660243 |
9 | 88873443617 |
10 | 31373353123 |
11 | 1233a492612 |
12 | 60b6a57797 |
13 | 2c5ca73b98 |
14 | 17389c1a27 |
15 | c394a84ed |
hex | 74dff60a3 |
31373353123 has 16 divisors (see below), whose sum is σ = 36372672000. Its totient is φ = 26503646400.
The previous prime is 31373353079. The next prime is 31373353163. The reversal of 31373353123 is 32135337313.
It is not a de Polignac number, because 31373353123 - 229 = 30836482211 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31373353163) 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, 1729983 + ... + 1748023.
It is an arithmetic number, because the mean of its divisors is an integer number (2273292000).
Almost surely, 231373353123 is an apocalyptic number.
31373353123 is a deficient number, since it is larger than the sum of its proper divisors (4999318877).
31373353123 is a wasteful number, since it uses less digits than its factorization.
31373353123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21618.
The product of its digits is 51030, while the sum is 34.
The spelling of 31373353123 in words is "thirty-one billion, three hundred seventy-three million, three hundred fifty-three thousand, one hundred twenty-three".
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