Base | Representation |
---|---|
bin | 1001001111001010110111… |
… | …11001011110010000110001 |
3 | 2122220211222000110111202221 |
4 | 10213211123321132100301 |
5 | 10130244340141314401 |
6 | 111111223533241041 |
7 | 4164345152244130 |
oct | 447453371362061 |
9 | 78824860414687 |
10 | 20312442135601 |
11 | 652150504aa30 |
12 | 234082b933181 |
13 | b445bba4c355 |
14 | 5031ad9cd917 |
15 | 25358e9ed7a1 |
hex | 12795be5e431 |
20312442135601 has 16 divisors (see below), whose sum is σ = 25416027768960. Its totient is φ = 15770736622080.
The previous prime is 20312442135577. The next prime is 20312442135617. The reversal of 20312442135601 is 10653124421302.
It is not a de Polignac number, because 20312442135601 - 25 = 20312442135569 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20312442130601) 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, 476148256 + ... + 476190913.
It is an arithmetic number, because the mean of its divisors is an integer number (1588501735560).
Almost surely, 220312442135601 is an apocalyptic number.
It is an amenable number.
20312442135601 is a deficient number, since it is larger than the sum of its proper divisors (5103585633359).
20312442135601 is a wasteful number, since it uses less digits than its factorization.
20312442135601 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 952339464.
The product of its (nonzero) digits is 34560, while the sum is 34.
Adding to 20312442135601 its reverse (10653124421302), we get a palindrome (30965566556903).
The spelling of 20312442135601 in words is "twenty trillion, three hundred twelve billion, four hundred forty-two million, one hundred thirty-five thousand, six hundred one".
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