Base | Representation |
---|---|
bin | 11111110010011011… |
… | …101101001101100101 |
3 | 10021002201121100222012 |
4 | 133302123231031211 |
5 | 1024400310323141 |
6 | 23402521444005 |
7 | 2315553144110 |
oct | 376233551545 |
9 | 107081540865 |
10 | 34132120421 |
11 | 13525768293 |
12 | 6746940605 |
13 | 32ac495479 |
14 | 191b151577 |
15 | d4b79aceb |
hex | 7f26ed365 |
34132120421 has 4 divisors (see below), whose sum is σ = 39008137632. Its totient is φ = 29256103212.
The previous prime is 34132120387. The next prime is 34132120427. The reversal of 34132120421 is 12402123143.
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 not a de Polignac number, because 34132120421 - 26 = 34132120357 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34132120427) 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, 2438008595 + ... + 2438008608.
It is an arithmetic number, because the mean of its divisors is an integer number (9752034408).
Almost surely, 234132120421 is an apocalyptic number.
It is an amenable number.
34132120421 is a deficient number, since it is larger than the sum of its proper divisors (4876017211).
34132120421 is an equidigital number, since it uses as much as digits as its factorization.
34132120421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4876017210.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 34132120421 its reverse (12402123143), we get a palindrome (46534243564).
The spelling of 34132120421 in words is "thirty-four billion, one hundred thirty-two million, one hundred twenty thousand, four hundred twenty-one".
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