Base | Representation |
---|---|
bin | 11110101111001001000… |
… | …100011000100101011111 |
3 | 21110220222000021212111102 |
4 | 132233021010120211133 |
5 | 234101242242441111 |
6 | 4254155441543315 |
7 | 305413225264220 |
oct | 36571104304537 |
9 | 7426860255442 |
10 | 2112202312031 |
11 | 74486415a589 |
12 | 2a1438344b3b |
13 | 1242450c2096 |
14 | 74334353247 |
15 | 39e235ec13b |
hex | 1ebc911895f |
2112202312031 has 8 divisors (see below), whose sum is σ = 2447013246624. Its totient is φ = 1785658314240.
The previous prime is 2112202312019. The next prime is 2112202312037. The reversal of 2112202312031 is 1302132022112.
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 2112202312031 - 234 = 2095022442847 is a prime.
It is a super-2 number, since 2×21122023120312 (a number of 25 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 = 2112202311994 and 2112202312012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112202312037) 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, 2066733650 + ... + 2066734671.
It is an arithmetic number, because the mean of its divisors is an integer number (305876655828).
Almost surely, 22112202312031 is an apocalyptic number.
2112202312031 is a deficient number, since it is larger than the sum of its proper divisors (334810934593).
2112202312031 is an equidigital number, since it uses as much as digits as its factorization.
2112202312031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4133468401.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 2112202312031 its reverse (1302132022112), we get a palindrome (3414334334143).
The spelling of 2112202312031 in words is "two trillion, one hundred twelve billion, two hundred two million, three hundred twelve thousand, thirty-one".
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