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45120435130405 = 517530828648593
BaseRepresentation
bin10100100001001011010111…
…00000100001000000100101
312220202110201200222122221001
422100211223200201000211
521403223122343133110
6235544013003353301
712334562305400065
oct1220455340410045
9186673650878831
1045120435130405
1113416518386658
125088786522831
131c23ab9a378ab
14b1dbaacb53a5
15533a456e663a
hex29096b821025

45120435130405 has 8 divisors (see below), whose sum is σ = 57329494048152. Its totient is φ = 33973033509888.

The previous prime is 45120435130403. The next prime is 45120435130429. The reversal of 45120435130405 is 50403153402154.

It can be written as a sum of positive squares in 4 ways, for example, as 415458882721 + 44704976247684 = 644561^2 + 6686178^2 .

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 45120435130405 - 21 = 45120435130403 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 (45120435130403) 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, 265414324212 + ... + 265414324381.

It is an arithmetic number, because the mean of its divisors is an integer number (7166186756019).

Almost surely, 245120435130405 is an apocalyptic number.

It is an amenable number.

45120435130405 is a deficient number, since it is larger than the sum of its proper divisors (12209058917747).

45120435130405 is a wasteful number, since it uses less digits than its factorization.

45120435130405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530828648615.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 45120435130405 its reverse (50403153402154), we get a palindrome (95523588532559).

The spelling of 45120435130405 in words is "forty-five trillion, one hundred twenty billion, four hundred thirty-five million, one hundred thirty thousand, four hundred five".

Divisors: 1 5 17 85 530828648593 2654143242965 9024087026081 45120435130405