Base | Representation |
---|---|
bin | 11100000011111000… |
… | …101000100101011001 |
3 | 2212202210210222220200 |
4 | 130003320220211121 |
5 | 443201231332032 |
6 | 21501433212413 |
7 | 2114435224650 |
oct | 340370504531 |
9 | 85683728820 |
10 | 30129949017 |
11 | 11861630713 |
12 | 5a0a561109 |
13 | 2ac22935cc |
14 | 165b7d4197 |
15 | bb524747c |
hex | 703e28959 |
30129949017 has 48 divisors (see below), whose sum is σ = 50524830720. Its totient is φ = 16946620416.
The previous prime is 30129949001. The next prime is 30129949061. The reversal of 30129949017 is 71094992103.
30129949017 is a `hidden beast` number, since 30 + 129 + 9 + 490 + 1 + 7 = 666.
It is not a de Polignac number, because 30129949017 - 24 = 30129949001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30129949217) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1238313 + ... + 1262409.
It is an arithmetic number, because the mean of its divisors is an integer number (1052600640).
Almost surely, 230129949017 is an apocalyptic number.
It is an amenable number.
30129949017 is a deficient number, since it is larger than the sum of its proper divisors (20394881703).
30129949017 is a wasteful number, since it uses less digits than its factorization.
30129949017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24422 (or 24419 counting only the distinct ones).
The product of its (nonzero) digits is 122472, while the sum is 45.
The spelling of 30129949017 in words is "thirty billion, one hundred twenty-nine million, nine hundred forty-nine thousand, seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •