Base | Representation |
---|---|
bin | 10010111010110000… |
… | …010111110111000001 |
3 | 1221102122201000011112 |
4 | 102322300113313001 |
5 | 313100124041001 |
6 | 13155352253105 |
7 | 1316243413610 |
oct | 227260276701 |
9 | 57378630145 |
10 | 20313112001 |
11 | 8684249776 |
12 | 3b2a9a1195 |
13 | 1bb9516900 |
14 | da9b0d877 |
15 | 7dd4b9cbb |
hex | 4bac17dc1 |
20313112001 has 12 divisors (see below), whose sum is σ = 25138121472. Its totient is φ = 16071911856.
The previous prime is 20313111991. The next prime is 20313112019. The reversal of 20313112001 is 10021131302.
It is a de Polignac number, because none of the positive numbers 2k-20313112001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20313112051) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8584241 + ... + 8586606.
It is an arithmetic number, because the mean of its divisors is an integer number (2094843456).
Almost surely, 220313112001 is an apocalyptic number.
It is an amenable number.
20313112001 is a deficient number, since it is larger than the sum of its proper divisors (4825009471).
20313112001 is a wasteful number, since it uses less digits than its factorization.
20313112001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17170880 (or 17170867 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 20313112001 its reverse (10021131302), we get a palindrome (30334243303).
The spelling of 20313112001 in words is "twenty billion, three hundred thirteen million, one hundred twelve thousand, one".
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