Base | Representation |
---|---|
bin | 10010101010110011… |
… | …100100011100010001 |
3 | 1220202000011122102110 |
4 | 102222303210130101 |
5 | 312023122431023 |
6 | 13113032535533 |
7 | 1306514030163 |
oct | 225263443421 |
9 | 56660148373 |
10 | 20045514513 |
11 | 8557196822 |
12 | 3a752515a9 |
13 | 1b75c524bb |
14 | d82372933 |
15 | 7c4c5ba93 |
hex | 4aace4711 |
20045514513 has 8 divisors (see below), whose sum is σ = 26733135168. Its totient is φ = 13360785104.
The previous prime is 20045514493. The next prime is 20045514529. The reversal of 20045514513 is 31541554002.
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 20045514513 - 28 = 20045514257 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20045514413) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706581 + ... + 734402.
It is an arithmetic number, because the mean of its divisors is an integer number (3341641896).
Almost surely, 220045514513 is an apocalyptic number.
It is an amenable number.
20045514513 is a deficient number, since it is larger than the sum of its proper divisors (6687620655).
20045514513 is a wasteful number, since it uses less digits than its factorization.
20045514513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1445623.
The product of its (nonzero) digits is 12000, while the sum is 30.
The spelling of 20045514513 in words is "twenty billion, forty-five million, five hundred fourteen thousand, five hundred thirteen".
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