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52440103242 = 23635967149
BaseRepresentation
bin110000110101101011…
…000111100101001010
312000100122022021000000
4300311223013211022
51324344131300432
640031325223430
73534341344242
oct606553074512
9160318267000
1052440103242
11202700867aa
12a1b6101b76
134c3945a1b7
14277682cb22
15156dbdd57c
hexc35ac794a

52440103242 has 28 divisors (see below), whose sum is σ = 117936284850. Its totient is φ = 17480033928.

The previous prime is 52440103207. The next prime is 52440103253. The reversal of 52440103242 is 24230104425.

52440103242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 52138698921 + 301404321 = 228339^2 + 17361^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 17982117 + ... + 17985032.

Almost surely, 252440103242 is an apocalyptic number.

52440103242 is an abundant number, since it is smaller than the sum of its proper divisors (65496181608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52440103242 is an equidigital number, since it uses as much as digits as its factorization.

52440103242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35967169 (or 35967154 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 52440103242 its reverse (24230104425), we get a palindrome (76670207667).

The spelling of 52440103242 in words is "fifty-two billion, four hundred forty million, one hundred three thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 35967149 71934298 107901447 215802894 323704341 647408682 971113023 1942226046 2913339069 5826678138 8740017207 17480034414 26220051621 52440103242