Base | Representation |
---|---|
bin | 10010111010110100… |
… | …011001100000100011 |
3 | 1221102201200121210211 |
4 | 102322310121200203 |
5 | 313100411323311 |
6 | 13155431034551 |
7 | 1316255400433 |
oct | 227264314043 |
9 | 57381617724 |
10 | 20314167331 |
11 | 86848aa647 |
12 | 3b2b20ba57 |
13 | 1bb97c6073 |
14 | da9d062c3 |
15 | 7dd627821 |
hex | 4bad19823 |
20314167331 has 4 divisors (see below), whose sum is σ = 20316124872. Its totient is φ = 20312209792.
The previous prime is 20314167287. The next prime is 20314167347. The reversal of 20314167331 is 13376141302.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20314167331 - 231 = 18166683683 is a prime.
It is a super-2 number, since 2×203141673312 (a number of 21 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 = 20314167293 and 20314167302.
It is not an unprimeable number, because it can be changed into a prime (20314165331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963121 + ... + 983986.
It is an arithmetic number, because the mean of its divisors is an integer number (5079031218).
Almost surely, 220314167331 is an apocalyptic number.
20314167331 is a deficient number, since it is larger than the sum of its proper divisors (1957541).
20314167331 is a wasteful number, since it uses less digits than its factorization.
20314167331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1957540.
The product of its (nonzero) digits is 9072, while the sum is 31.
The spelling of 20314167331 in words is "twenty billion, three hundred fourteen million, one hundred sixty-seven thousand, three hundred thirty-one".
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