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45442454423 = 2911927131381
BaseRepresentation
bin101010010100100101…
…001101001110010111
311100021221222212102112
4222110211031032113
51221031232020143
632513113301235
73166051326602
oct522445151627
9140257885375
1045442454423
11182aa098663
12898270481b
1343927984b2
1422b1325339
1512ae6dae18
hexa9494d397

45442454423 has 8 divisors (see below), whose sum is σ = 47013734880. Its totient is φ = 43871460640.

The previous prime is 45442454389. The next prime is 45442454441. The reversal of 45442454423 is 32445424454.

45442454423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45442454423 - 214 = 45442438039 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 (45442454443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280193 + ... + 411573.

It is an arithmetic number, because the mean of its divisors is an integer number (5876716860).

Almost surely, 245442454423 is an apocalyptic number.

45442454423 is a deficient number, since it is larger than the sum of its proper divisors (1571280457).

45442454423 is a wasteful number, since it uses less digits than its factorization.

45442454423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143337.

The product of its digits is 1228800, while the sum is 41.

Adding to 45442454423 its reverse (32445424454), we get a palindrome (77887878877).

The spelling of 45442454423 in words is "forty-five billion, four hundred forty-two million, four hundred fifty-four thousand, four hundred twenty-three".

Divisors: 1 29 11927 131381 345883 3810049 1566981187 45442454423