Base | Representation |
---|---|
bin | 101001111100001000… |
… | …101000110001011101 |
3 | 11022020101020110122202 |
4 | 221330020220301131 |
5 | 1214211232440101 |
6 | 32404302421245 |
7 | 3152641223033 |
oct | 517410506135 |
9 | 138211213582 |
10 | 45032311901 |
11 | 181096254a5 |
12 | 8889291825 |
13 | 4328815505 |
14 | 2272a80553 |
15 | 12886c236b |
hex | a7c228c5d |
45032311901 has 4 divisors (see below), whose sum is σ = 47402433600. Its totient is φ = 42662190204.
The previous prime is 45032311897. The next prime is 45032311903. The reversal of 45032311901 is 10911323054.
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 an emirpimes, since its reverse is a distinct semiprime: 10911323054 = 2 ⋅5455661527.
It is a cyclic number.
It is not a de Polignac number, because 45032311901 - 22 = 45032311897 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 (45032311903) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1185060821 + ... + 1185060858.
It is an arithmetic number, because the mean of its divisors is an integer number (11850608400).
Almost surely, 245032311901 is an apocalyptic number.
It is an amenable number.
45032311901 is a deficient number, since it is larger than the sum of its proper divisors (2370121699).
45032311901 is a wasteful number, since it uses less digits than its factorization.
45032311901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2370121698.
The product of its (nonzero) digits is 3240, while the sum is 29.
Adding to 45032311901 its reverse (10911323054), we get a palindrome (55943634955).
The spelling of 45032311901 in words is "forty-five billion, thirty-two million, three hundred eleven thousand, nine hundred one".
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