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45812984491 = 177725781083
BaseRepresentation
bin101010101010101010…
…101010101010101011
311101020210012202010101
4222222222222222223
51222311111000431
633013551130231
73211200641311
oct525252525253
9141223182111
1045812984491
111847a26535a
128a66813977
13442148c161
1423086180b1
1512d1ecc961
hexaaaaaaaab

45812984491 has 4 divisors (see below), whose sum is σ = 45838767352. Its totient is φ = 45787201632.

The previous prime is 45812984467. The next prime is 45812984533. The reversal of 45812984491 is 19448921854.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45812984491 is a prime.

It is the 37-th Jacobsthal number.

It is a Duffinian number.

It is a plaindrome in base 4 and base 16.

It is not an unprimeable number, because it can be changed into a prime (45812984461) 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, 12888765 + ... + 12892318.

It is an arithmetic number, because the mean of its divisors is an integer number (11459691838).

It is a Poulet number, since it divides 245812984490-1.

Almost surely, 245812984491 is an apocalyptic number.

45812984491 is a deficient number, since it is larger than the sum of its proper divisors (25782861).

45812984491 is a wasteful number, since it uses less digits than its factorization.

45812984491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25782860.

The product of its digits is 3317760, while the sum is 55.

The spelling of 45812984491 in words is "forty-five billion, eight hundred twelve million, nine hundred eighty-four thousand, four hundred ninety-one".

Divisors: 1 1777 25781083 45812984491