Base | Representation |
---|---|
bin | 10010101001000101… |
… | …000111101001000011 |
3 | 1220122222200122021021 |
4 | 102221011013221003 |
5 | 311443214420312 |
6 | 13110120210311 |
7 | 1306012646563 |
oct | 225105075103 |
9 | 56588618237 |
10 | 20016560707 |
11 | 8541910360 |
12 | 3a67609997 |
13 | 1b6cc55780 |
14 | d7c596da3 |
15 | 7c243cc07 |
hex | 4a9147a43 |
20016560707 has 8 divisors (see below), whose sum is σ = 23515959600. Its totient is φ = 16797113760.
The previous prime is 20016560701. The next prime is 20016560731. The reversal of 20016560707 is 70706561002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20016560707 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20016560701) 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, 69987832 + ... + 69988117.
It is an arithmetic number, because the mean of its divisors is an integer number (2939494950).
Almost surely, 220016560707 is an apocalyptic number.
20016560707 is a deficient number, since it is larger than the sum of its proper divisors (3499398893).
20016560707 is a wasteful number, since it uses less digits than its factorization.
20016560707 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139975973.
The product of its (nonzero) digits is 17640, while the sum is 34.
The spelling of 20016560707 in words is "twenty billion, sixteen million, five hundred sixty thousand, seven hundred seven".
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