Base | Representation |
---|---|
bin | 1001011110110001001001… |
… | …01100100100111011111001 |
3 | 2201211002022221010110202101 |
4 | 10233120210230210323321 |
5 | 10213034444022421220 |
6 | 112201341114103401 |
7 | 4251150314612026 |
oct | 457304454447371 |
9 | 81732287113671 |
10 | 20848386920185 |
11 | 670882999a070 |
12 | 240868271ab61 |
13 | b82cc0a67a16 |
14 | 5210d29b654d |
15 | 2624ab0d830a |
hex | 12f624b24ef9 |
20848386920185 has 32 divisors (see below), whose sum is σ = 28735426667520. Its totient is φ = 14361164337600.
The previous prime is 20848386920131. The next prime is 20848386920203. The reversal of 20848386920185 is 58102968384802.
It is not a de Polignac number, because 20848386920185 - 29 = 20848386919673 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2316834 + ... + 6860356.
It is an arithmetic number, because the mean of its divisors is an integer number (897982083360).
Almost surely, 220848386920185 is an apocalyptic number.
It is an amenable number.
20848386920185 is a deficient number, since it is larger than the sum of its proper divisors (7887039747335).
20848386920185 is a wasteful number, since it uses less digits than its factorization.
20848386920185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4547949.
The product of its (nonzero) digits is 53084160, while the sum is 64.
The spelling of 20848386920185 in words is "twenty trillion, eight hundred forty-eight billion, three hundred eighty-six million, nine hundred twenty thousand, one hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.165 sec. • engine limits •