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45079781716069 = 230386719567007
BaseRepresentation
bin10100011111111111101000…
…11000000011000001100101
312220121120210111102020110121
422033333310120003001211
521402041343104403234
6235513211003521541
712331623005152162
oct1217776430030145
9186546714366417
1045079781716069
1113400256607771
12508091b8292b1
131c2000b4a7239
14b1bc31a19069
155329666904b4
hex28fff4603065

45079781716069 has 4 divisors (see below), whose sum is σ = 45079803586944. Its totient is φ = 45079759845196.

The previous prime is 45079781716031. The next prime is 45079781716111. The reversal of 45079781716069 is 96061718797054.

45079781716069 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45079781716069 is a prime.

It is a super-2 number, since 2×450797817160692 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45079781715989 and 45079781716007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45079781716469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7479637 + ... + 12087370.

It is an arithmetic number, because the mean of its divisors is an integer number (11269950896736).

Almost surely, 245079781716069 is an apocalyptic number.

It is an amenable number.

45079781716069 is a deficient number, since it is larger than the sum of its proper divisors (21870875).

45079781716069 is a wasteful number, since it uses less digits than its factorization.

45079781716069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21870874.

The product of its (nonzero) digits is 160030080, while the sum is 70.

The spelling of 45079781716069 in words is "forty-five trillion, seventy-nine billion, seven hundred eighty-one million, seven hundred sixteen thousand, sixty-nine".

Divisors: 1 2303867 19567007 45079781716069