Base | Representation |
---|---|
bin | 101010000001011111… |
… | …000010011001010101 |
3 | 11022110122010122202112 |
4 | 222001133002121111 |
5 | 1214402222220401 |
6 | 32421230320405 |
7 | 3155111160533 |
oct | 520137023125 |
9 | 138418118675 |
10 | 45122070101 |
11 | 18155261129 |
12 | 88b3359105 |
13 | 43412b1384 |
14 | 2280967153 |
15 | 12915023bb |
hex | a817c2655 |
45122070101 has 4 divisors (see below), whose sum is σ = 45122795712. Its totient is φ = 45121344492.
The previous prime is 45122070047. The next prime is 45122070107. The reversal of 45122070101 is 10107022154.
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 45122070101 - 210 = 45122069077 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 (45122070107) 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, 259775 + ... + 397148.
It is an arithmetic number, because the mean of its divisors is an integer number (11280698928).
Almost surely, 245122070101 is an apocalyptic number.
It is an amenable number.
45122070101 is a deficient number, since it is larger than the sum of its proper divisors (725611).
45122070101 is an equidigital number, since it uses as much as digits as its factorization.
45122070101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725610.
The product of its (nonzero) digits is 560, while the sum is 23.
Adding to 45122070101 its reverse (10107022154), we get a palindrome (55229092255).
The spelling of 45122070101 in words is "forty-five billion, one hundred twenty-two million, seventy thousand, one hundred one".
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