Base | Representation |
---|---|
bin | 1001001111101111100000… |
… | …10101001111011110010101 |
3 | 2122222201201212101000101122 |
4 | 10213313300111033132111 |
5 | 10131110131222442323 |
6 | 111124235441333325 |
7 | 4165642461056612 |
oct | 447676025173625 |
9 | 78881655330348 |
10 | 20332112312213 |
11 | 6529889385839 |
12 | 23445bb337245 |
13 | b46404cb6700 |
14 | 50411817b509 |
15 | 253d41818ec8 |
hex | 127df054f795 |
20332112312213 has 24 divisors (see below), whose sum is σ = 23317368418080. Its totient is φ = 17671226639040.
The previous prime is 20332112312201. The next prime is 20332112312263. The reversal of 20332112312213 is 31221321123302.
It is a de Polignac number, because none of the positive numbers 2k-20332112312213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20332112312263) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18899978 + ... + 19946763.
It is an arithmetic number, because the mean of its divisors is an integer number (971557017420).
Almost surely, 220332112312213 is an apocalyptic number.
It is an amenable number.
20332112312213 is a deficient number, since it is larger than the sum of its proper divisors (2985256105867).
20332112312213 is a wasteful number, since it uses less digits than its factorization.
20332112312213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38846949 (or 38846936 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 20332112312213 its reverse (31221321123302), we get a palindrome (51553433435515).
The spelling of 20332112312213 in words is "twenty trillion, three hundred thirty-two billion, one hundred twelve million, three hundred twelve thousand, two hundred thirteen".
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