Base | Representation |
---|---|
bin | 11100000010111111… |
… | …101001010101001101 |
3 | 2212201202201000020220 |
4 | 130002333221111031 |
5 | 443133420303434 |
6 | 21500141101553 |
7 | 2114164234410 |
oct | 340277512515 |
9 | 85652630226 |
10 | 30115009869 |
11 | 1185415770a |
12 | 5a055578b9 |
13 | 2abc162889 |
14 | 1659825b77 |
15 | bb3c95d49 |
hex | 702fe954d |
30115009869 has 32 divisors (see below), whose sum is σ = 46135111680. Its totient is φ = 17116680000.
The previous prime is 30115009829. The next prime is 30115009871. The reversal of 30115009869 is 96890051103.
It is not a de Polignac number, because 30115009869 - 211 = 30115007821 is a prime.
It is a super-2 number, since 2×301150098692 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30115009869.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30115009829) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4324012 + ... + 4330970.
It is an arithmetic number, because the mean of its divisors is an integer number (1441722240).
Almost surely, 230115009869 is an apocalyptic number.
It is an amenable number.
30115009869 is a deficient number, since it is larger than the sum of its proper divisors (16020101811).
30115009869 is a wasteful number, since it uses less digits than its factorization.
30115009869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8041.
The product of its (nonzero) digits is 58320, while the sum is 42.
The spelling of 30115009869 in words is "thirty billion, one hundred fifteen million, nine thousand, eight hundred sixty-nine".
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