Base | Representation |
---|---|
bin | 11011111110000000… |
… | …111111011110111000 |
3 | 2212111221112002020111 |
4 | 123332000333132320 |
5 | 443001024223124 |
6 | 21443554434104 |
7 | 2112131224360 |
oct | 337600773670 |
9 | 85457462214 |
10 | 30031476664 |
11 | 11810a92a02 |
12 | 59a1592934 |
13 | 2aa7a66247 |
14 | 164c6bd9a0 |
15 | bab795494 |
hex | 6fe03f7b8 |
30031476664 has 32 divisors (see below), whose sum is σ = 64359773280. Its totient is φ = 12869311104.
The previous prime is 30031476659. The next prime is 30031476697. The reversal of 30031476664 is 46667413003.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686454 + ... + 728890.
It is an arithmetic number, because the mean of its divisors is an integer number (2011242915).
Almost surely, 230031476664 is an apocalyptic number.
It is an amenable number.
30031476664 is an abundant number, since it is smaller than the sum of its proper divisors (34328296616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30031476664 is a wasteful number, since it uses less digits than its factorization.
30031476664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55087 (or 55083 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 40.
Adding to 30031476664 its reverse (46667413003), we get a palindrome (76698889667).
The spelling of 30031476664 in words is "thirty billion, thirty-one million, four hundred seventy-six thousand, six hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •