Base | Representation |
---|---|
bin | 11100010100001111… |
… | …100111111110111001 |
3 | 2220110221021010102012 |
4 | 130110033213332321 |
5 | 444232012130241 |
6 | 21545000015305 |
7 | 2124310142414 |
oct | 342417477671 |
9 | 86427233365 |
10 | 30404411321 |
11 | 11992552269 |
12 | 5a86461535 |
13 | 2b370bc53b |
14 | 168603ab7b |
15 | bce3ae6eb |
hex | 7143e7fb9 |
30404411321 has 4 divisors (see below), whose sum is σ = 31726342272. Its totient is φ = 29082480372.
The previous prime is 30404411273. The next prime is 30404411327. The reversal of 30404411321 is 12311440403.
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 30404411321 - 210 = 30404410297 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1321930927 = 30404411321 / (3 + 0 + 4 + 0 + 4 + 4 + 1 + 1 + 3 + 2 + 1).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30404411327) 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, 660965441 + ... + 660965486.
It is an arithmetic number, because the mean of its divisors is an integer number (7931585568).
Almost surely, 230404411321 is an apocalyptic number.
It is an amenable number.
30404411321 is a deficient number, since it is larger than the sum of its proper divisors (1321930951).
30404411321 is a wasteful number, since it uses less digits than its factorization.
30404411321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1321930950.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 30404411321 its reverse (12311440403), we get a palindrome (42715851724).
The spelling of 30404411321 in words is "thirty billion, four hundred four million, four hundred eleven thousand, three hundred twenty-one".
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