Search a number
-
+
45282390719 = 186612426579
BaseRepresentation
bin101010001011000010…
…100111001010111111
311022212210210210022012
4222023002213022333
51220214243000334
632445154441435
73162065653556
oct521302471277
9138783723265
1045282390719
1118227802405
128938b9327b
134368584a47
142297d7ad9d
1512a061e9ce
hexa8b0a72bf

45282390719 has 4 divisors (see below), whose sum is σ = 45284835960. Its totient is φ = 45279945480.

The previous prime is 45282390709. The next prime is 45282390733. The reversal of 45282390719 is 91709328254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45282390719 - 232 = 40987423423 is a prime.

It is a super-2 number, since 2×452823907192 (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 (45282390709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194629 + ... + 1231950.

It is an arithmetic number, because the mean of its divisors is an integer number (11321208990).

Almost surely, 245282390719 is an apocalyptic number.

45282390719 is a deficient number, since it is larger than the sum of its proper divisors (2445241).

45282390719 is a wasteful number, since it uses less digits than its factorization.

45282390719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445240.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 45282390719 in words is "forty-five billion, two hundred eighty-two million, three hundred ninety thousand, seven hundred nineteen".

Divisors: 1 18661 2426579 45282390719