Base | Representation |
---|---|
bin | 110110000100001110011… |
… | …1000101011000111100001 |
3 | 222022101010200211211002011 |
4 | 1230020130320223013201 |
5 | 1433221213134301201 |
6 | 23445352521552521 |
7 | 1364566415124463 |
oct | 154103470530741 |
9 | 28271120754064 |
10 | 7430778040801 |
11 | 24054145362a5 |
12 | a00174645741 |
13 | 41b94759381b |
14 | 1b9919cd4133 |
15 | cd4591ac151 |
hex | 6c21ce2b1e1 |
7430778040801 has 4 divisors (see below), whose sum is σ = 7430783516352. Its totient is φ = 7430772565252.
The previous prime is 7430778040793. The next prime is 7430778040867. The reversal of 7430778040801 is 1080408770347.
7430778040801 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 7430778040801 - 23 = 7430778040793 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7430778040601) 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, 987540 + ... + 3979546.
It is an arithmetic number, because the mean of its divisors is an integer number (1857695879088).
Almost surely, 27430778040801 is an apocalyptic number.
It is an amenable number.
7430778040801 is a deficient number, since it is larger than the sum of its proper divisors (5475551).
7430778040801 is a wasteful number, since it uses less digits than its factorization.
7430778040801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5475550.
The product of its (nonzero) digits is 1053696, while the sum is 49.
It can be divided in two parts, 743077 and 8040801, that added together give a palindrome (8783878).
The spelling of 7430778040801 in words is "seven trillion, four hundred thirty billion, seven hundred seventy-eight million, forty thousand, eight hundred one".
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