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45440455433 = 31270167453
BaseRepresentation
bin101010010100011101…
…100101001100001001
311100021211020022022212
4222110131211030021
51221030224033213
632513002354505
73166025332622
oct522435451411
9140254208285
1045440455433
11182a8a527aa
128981abba35
134392248669
1422b0d64a49
1512ae4439a8
hexa94765309

45440455433 has 12 divisors (see below), whose sum is σ = 47021239044. Its totient is φ = 43911252000.

The previous prime is 45440455397. The next prime is 45440455553. The reversal of 45440455433 is 33455404454.

It can be written as a sum of positive squares in 2 ways, for example, as 19184466064 + 26255989369 = 138508^2 + 162037^2 .

It is not a de Polignac number, because 45440455433 - 26 = 45440455369 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45440455633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639935 + ... + 707387.

It is an arithmetic number, because the mean of its divisors is an integer number (3918436587).

Almost surely, 245440455433 is an apocalyptic number.

It is an amenable number.

45440455433 is a deficient number, since it is larger than the sum of its proper divisors (1580783611).

45440455433 is an equidigital number, since it uses as much as digits as its factorization.

45440455433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68216 (or 68185 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 45440455433 its reverse (33455404454), we get a palindrome (78895859887).

The spelling of 45440455433 in words is "forty-five billion, four hundred forty million, four hundred fifty-five thousand, four hundred thirty-three".

Divisors: 1 31 701 961 21731 67453 673661 2091043 47284553 64822333 1465821143 45440455433