Base | Representation |
---|---|
bin | 11100011010100111… |
… | …111011000000100010 |
3 | 2220202101122221122120 |
4 | 130122213323000202 |
5 | 444441412202002 |
6 | 22003342045110 |
7 | 2130046665144 |
oct | 343247730042 |
9 | 86671587576 |
10 | 30511444002 |
11 | 11a37a07526 |
12 | 5ab6279796 |
13 | 2b533260a0 |
14 | 169633cc94 |
15 | bd89a2cbc |
hex | 71a9fb022 |
30511444002 has 16 divisors (see below), whose sum is σ = 65716956480. Its totient is φ = 9388136592.
The previous prime is 30511443971. The next prime is 30511444013. The reversal of 30511444002 is 20044411503.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 195586102 + ... + 195586257.
It is an arithmetic number, because the mean of its divisors is an integer number (4107309780).
Almost surely, 230511444002 is an apocalyptic number.
30511444002 is an abundant number, since it is smaller than the sum of its proper divisors (35205512478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30511444002 is a wasteful number, since it uses less digits than its factorization.
30511444002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 391172377.
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 30511444002 its reverse (20044411503), we get a palindrome (50555855505).
The spelling of 30511444002 in words is "thirty billion, five hundred eleven million, four hundred forty-four thousand, two".
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