Base | Representation |
---|---|
bin | 11100110000001010… |
… | …111110000100010111 |
3 | 2221200120220111220211 |
4 | 130300022332010113 |
5 | 1001211433444421 |
6 | 22103254310251 |
7 | 2142026525440 |
oct | 346012760427 |
9 | 87616814824 |
10 | 30872953111 |
11 | 12102a82690 |
12 | 5b97358387 |
13 | 2bb01ab9c0 |
14 | 16cc3642c7 |
15 | c0a5b19e1 |
hex | 7302be117 |
30872953111 has 32 divisors (see below), whose sum is σ = 43633497600. Its totient is φ = 21037553280.
The previous prime is 30872953091. The next prime is 30872953117. The reversal of 30872953111 is 11135927803.
It is a cyclic number.
It is not a de Polignac number, because 30872953111 - 217 = 30872822039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30872953117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 792616 + ... + 830653.
It is an arithmetic number, because the mean of its divisors is an integer number (1363546800).
Almost surely, 230872953111 is an apocalyptic number.
30872953111 is a deficient number, since it is larger than the sum of its proper divisors (12760544489).
30872953111 is a wasteful number, since it uses less digits than its factorization.
30872953111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1623319.
The product of its (nonzero) digits is 45360, while the sum is 40.
The spelling of 30872953111 in words is "thirty billion, eight hundred seventy-two million, nine hundred fifty-three thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •