Base | Representation |
---|---|
bin | 11011111100111010… |
… | …110000011111000010 |
3 | 2212110122212200101201 |
4 | 123330322300133002 |
5 | 442431321041104 |
6 | 21442100051414 |
7 | 2111515562452 |
oct | 337472603702 |
9 | 85418780351 |
10 | 30013065154 |
11 | 11801658086 |
12 | 5997393b6a |
13 | 2aa3cbab67 |
14 | 164a089d62 |
15 | ba9d5a0a4 |
hex | 6fceb07c2 |
30013065154 has 4 divisors (see below), whose sum is σ = 45019597734. Its totient is φ = 15006532576.
The previous prime is 30013065073. The next prime is 30013065169. The reversal of 30013065154 is 45156031003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45156031003 = 60649 ⋅744547.
It can be written as a sum of positive squares in only one way, i.e., 27596851129 + 2416214025 = 166123^2 + 49155^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7503266287 + ... + 7503266290.
Almost surely, 230013065154 is an apocalyptic number.
30013065154 is a deficient number, since it is larger than the sum of its proper divisors (15006532580).
30013065154 is a wasteful number, since it uses less digits than its factorization.
30013065154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15006532579.
The product of its (nonzero) digits is 5400, while the sum is 28.
Adding to 30013065154 its reverse (45156031003), we get a palindrome (75169096157).
The spelling of 30013065154 in words is "thirty billion, thirteen million, sixty-five thousand, one hundred fifty-four".
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