Base | Representation |
---|---|
bin | 11100011000100011… |
… | …101010001110001111 |
3 | 2220122222102102221012 |
4 | 130120203222032033 |
5 | 444404023202424 |
6 | 22000102555435 |
7 | 2126146201244 |
oct | 343043521617 |
9 | 86588372835 |
10 | 30476772239 |
11 | 11a1a386081 |
12 | 5aa6738b7b |
13 | 2b490a6854 |
14 | 16918b55cb |
15 | bd5904b0e |
hex | 7188ea38f |
30476772239 has 8 divisors (see below), whose sum is σ = 31305739728. Its totient is φ = 29648082240.
The previous prime is 30476772203. The next prime is 30476772251. The reversal of 30476772239 is 93227767403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-30476772239 is a prime.
It is a super-2 number, since 2×304767722392 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30476772289) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163784 + ... + 296274.
It is an arithmetic number, because the mean of its divisors is an integer number (3913217466).
Almost surely, 230476772239 is an apocalyptic number.
30476772239 is a deficient number, since it is larger than the sum of its proper divisors (828967489).
30476772239 is a wasteful number, since it uses less digits than its factorization.
30476772239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138745.
The product of its (nonzero) digits is 2667168, while the sum is 50.
The spelling of 30476772239 in words is "thirty billion, four hundred seventy-six million, seven hundred seventy-two thousand, two hundred thirty-nine".
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