Base | Representation |
---|---|
bin | 10011001011111000… |
… | …101100001011110111 |
3 | 1222011200111002100121 |
4 | 103023320230023313 |
5 | 314142212130304 |
6 | 13244100152411 |
7 | 1326333255400 |
oct | 231370541367 |
9 | 58150432317 |
10 | 20600505079 |
11 | 88114a2410 |
12 | 3bab098707 |
13 | 1c33c1c39b |
14 | dd5d609a7 |
15 | 808838554 |
hex | 4cbe2c2f7 |
20600505079 has 24 divisors (see below), whose sum is σ = 26152132608. Its totient is φ = 16046357040.
The previous prime is 20600505041. The next prime is 20600505103. The reversal of 20600505079 is 97050500602.
It is not a de Polignac number, because 20600505079 - 213 = 20600496887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20600505019) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1925904 + ... + 1936570.
It is an arithmetic number, because the mean of its divisors is an integer number (1089672192).
Almost surely, 220600505079 is an apocalyptic number.
20600505079 is a deficient number, since it is larger than the sum of its proper divisors (5551627529).
20600505079 is a wasteful number, since it uses less digits than its factorization.
20600505079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14275 (or 14268 counting only the distinct ones).
The product of its (nonzero) digits is 18900, while the sum is 34.
The spelling of 20600505079 in words is "twenty billion, six hundred million, five hundred five thousand, seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •