Base | Representation |
---|---|
bin | 101010001111001011… |
… | …010001101010100101 |
3 | 11100001122100122212102 |
4 | 222033023101222211 |
5 | 1220340023131124 |
6 | 32500113501445 |
7 | 3163600456043 |
oct | 521713215245 |
9 | 140048318772 |
10 | 45351770789 |
11 | 1826298a706 |
12 | 8958271885 |
13 | 4379a67340 |
14 | 22a327b393 |
15 | 12a6776aae |
hex | a8f2d1aa5 |
45351770789 has 4 divisors (see below), whose sum is σ = 48840368556. Its totient is φ = 41863173024.
The previous prime is 45351770777. The next prime is 45351770831. The reversal of 45351770789 is 98707715354.
It is a happy number.
45351770789 is digitally balanced in base 2, 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.
It can be written as a sum of positive squares in 2 ways, for example, as 6406721764 + 38945049025 = 80042^2 + 197345^2 .
It is a cyclic number.
It is not a de Polignac number, because 45351770789 - 24 = 45351770773 is a prime.
It is a super-2 number, since 2×453517707892 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45351770729) 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, 1744298864 + ... + 1744298889.
It is an arithmetic number, because the mean of its divisors is an integer number (12210092139).
Almost surely, 245351770789 is an apocalyptic number.
It is an amenable number.
45351770789 is a deficient number, since it is larger than the sum of its proper divisors (3488597767).
45351770789 is a wasteful number, since it uses less digits than its factorization.
45351770789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3488597766.
The product of its (nonzero) digits is 7408800, while the sum is 56.
The spelling of 45351770789 in words is "forty-five billion, three hundred fifty-one million, seven hundred seventy thousand, seven hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •