Base | Representation |
---|---|
bin | 10011001100100100… |
… | …110001010111111110 |
3 | 1222012111020011122110 |
4 | 103030210301113332 |
5 | 314203141420140 |
6 | 13245151554450 |
7 | 1326533424225 |
oct | 231444612776 |
9 | 58174204573 |
10 | 20612060670 |
11 | 8817a75293 |
12 | 3bb2b2ba26 |
13 | 1c36437006 |
14 | dd76cbcbc |
15 | 80986c380 |
hex | 4cc9315fe |
20612060670 has 16 divisors (see below), whose sum is σ = 49468945680. Its totient is φ = 5496549504.
The previous prime is 20612060659. The next prime is 20612060713. The reversal of 20612060670 is 7606021602.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 687068689 = 20612060670 / (2 + 0 + 6 + 1 + 2 + 0 + 6 + 0 + 6 + 7 + 0).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343534315 + ... + 343534374.
It is an arithmetic number, because the mean of its divisors is an integer number (3091809105).
Almost surely, 220612060670 is an apocalyptic number.
20612060670 is an abundant number, since it is smaller than the sum of its proper divisors (28856885010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20612060670 is a wasteful number, since it uses less digits than its factorization.
20612060670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 687068699.
The product of its (nonzero) digits is 6048, while the sum is 30.
The spelling of 20612060670 in words is "twenty billion, six hundred twelve million, sixty thousand, six hundred seventy".
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