Base | Representation |
---|---|
bin | 10010101100011000… |
… | …101100000101001001 |
3 | 1220210212001101100000 |
4 | 102230120230011021 |
5 | 312101414203340 |
6 | 13115421033213 |
7 | 1310255242404 |
oct | 225430540511 |
9 | 56725041300 |
10 | 20072022345 |
11 | 8570151521 |
12 | 3a820b5809 |
13 | 1b7b5a3acb |
14 | d85ab2d3b |
15 | 7c7245d30 |
hex | 4ac62c149 |
20072022345 has 24 divisors (see below), whose sum is σ = 36080081856. Its totient is φ = 10705077936.
The previous prime is 20072022319. The next prime is 20072022379. The reversal of 20072022345 is 54322027002.
It is not a de Polignac number, because 20072022345 - 29 = 20072021833 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8258877 + ... + 8261306.
It is an arithmetic number, because the mean of its divisors is an integer number (1503336744).
Almost surely, 220072022345 is an apocalyptic number.
It is an amenable number.
20072022345 is a deficient number, since it is larger than the sum of its proper divisors (16008059511).
20072022345 is an equidigital number, since it uses as much as digits as its factorization.
20072022345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16520203 (or 16520191 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 27.
Adding to 20072022345 its reverse (54322027002), we get a palindrome (74394049347).
The spelling of 20072022345 in words is "twenty billion, seventy-two million, twenty-two thousand, three hundred forty-five".
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