Base | Representation |
---|---|
bin | 10010101100011001… |
… | …000010000010001001 |
3 | 1220210212012221200101 |
4 | 102230121002002021 |
5 | 312101430043030 |
6 | 13115423005401 |
7 | 1310256065512 |
oct | 225431020211 |
9 | 56725187611 |
10 | 20072112265 |
11 | 8570203037 |
12 | 3a82139861 |
13 | 1b7b605a0a |
14 | d85ad7a09 |
15 | 7c72627ca |
hex | 4ac642089 |
20072112265 has 8 divisors (see below), whose sum is σ = 24095187720. Its totient is φ = 16051921152.
The previous prime is 20072112251. The next prime is 20072112289. The reversal of 20072112265 is 56221127002.
It can be written as a sum of positive squares in 4 ways, for example, as 4758792256 + 15313320009 = 68984^2 + 123747^2 .
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 20072112265 - 211 = 20072110217 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705744 + ... + 733633.
It is an arithmetic number, because the mean of its divisors is an integer number (3011898465).
Almost surely, 220072112265 is an apocalyptic number.
It is an amenable number.
20072112265 is a deficient number, since it is larger than the sum of its proper divisors (4023075455).
20072112265 is a wasteful number, since it uses less digits than its factorization.
20072112265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1442171.
The product of its (nonzero) digits is 3360, while the sum is 28.
Adding to 20072112265 its reverse (56221127002), we get a palindrome (76293239267).
The spelling of 20072112265 in words is "twenty billion, seventy-two million, one hundred twelve thousand, two hundred sixty-five".
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