Base | Representation |
---|---|
bin | 10010111010000111… |
… | …100001010110110011 |
3 | 1221101220112221011200 |
4 | 102322013201112303 |
5 | 313034403343440 |
6 | 13154330542243 |
7 | 1316053402200 |
oct | 227207412663 |
9 | 57356487150 |
10 | 20302402995 |
11 | 86791a4956 |
12 | 3b27297983 |
13 | 1bb7237414 |
14 | da8522ca7 |
15 | 7dc5a1c30 |
hex | 4ba1e15b3 |
20302402995 has 72 divisors (see below), whose sum is σ = 41429855376. Its totient is φ = 9169195392.
The previous prime is 20302402993. The next prime is 20302403003. The reversal of 20302402995 is 59920420302.
20302402995 is a `hidden beast` number, since 20 + 302 + 40 + 299 + 5 = 666.
It is not a de Polignac number, because 20302402995 - 21 = 20302402993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20302402993) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 127549 + ... + 238481.
It is an arithmetic number, because the mean of its divisors is an integer number (575414658).
Almost surely, 220302402995 is an apocalyptic number.
20302402995 is an abundant number, since it is smaller than the sum of its proper divisors (21127452381).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302402995 is a wasteful number, since it uses less digits than its factorization.
20302402995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111041 (or 111031 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 36.
The spelling of 20302402995 in words is "twenty billion, three hundred two million, four hundred two thousand, nine hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •