Base | Representation |
---|---|
bin | 11100001100011001… |
… | …101100010100101001 |
3 | 2220010202200020121222 |
4 | 130030121230110221 |
5 | 443444321122214 |
6 | 21523535511425 |
7 | 2121121555532 |
oct | 341431542451 |
9 | 86122606558 |
10 | 30272832809 |
11 | 1192525239a |
12 | 5a4a388575 |
13 | 2b15a7042b |
14 | 1672789689 |
15 | bc2a6d38e |
hex | 70c66c529 |
30272832809 has 4 divisors (see below), whose sum is σ = 30441954960. Its totient is φ = 30103710660.
The previous prime is 30272832803. The next prime is 30272832853. The reversal of 30272832809 is 90823827203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30272832809 - 212 = 30272828713 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30272832809.
It is not an unprimeable number, because it can be changed into a prime (30272832803) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84560807 + ... + 84561164.
It is an arithmetic number, because the mean of its divisors is an integer number (7610488740).
Almost surely, 230272832809 is an apocalyptic number.
It is an amenable number.
30272832809 is a deficient number, since it is larger than the sum of its proper divisors (169122151).
30272832809 is a wasteful number, since it uses less digits than its factorization.
30272832809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169122150.
The product of its (nonzero) digits is 290304, while the sum is 44.
The spelling of 30272832809 in words is "thirty billion, two hundred seventy-two million, eight hundred thirty-two thousand, eight hundred nine".
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