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5220452142 = 2323123340153
BaseRepresentation
bin1001101110010100…
…11100011100101110
3111110211012110001100
410313022130130232
541142413432032
62222004223530
7243240053043
oct46712343456
914424173040
105220452142
112239899a64
12101839aba6
13652727049
143774891ca
152084a097c
hex13729c72e

5220452142 has 48 divisors (see below), whose sum is σ = 11726252928. Its totient is φ = 1676747520.

The previous prime is 5220452099. The next prime is 5220452177. The reversal of 5220452142 is 2412540225.

5220452142 is a `hidden beast` number, since 52 + 20 + 452 + 142 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109938 + ... + 150090.

It is an arithmetic number, because the mean of its divisors is an integer number (244296936).

Almost surely, 25220452142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5220452142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5863126464).

5220452142 is an abundant number, since it is smaller than the sum of its proper divisors (6505800786).

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

5220452142 is a wasteful number, since it uses less digits than its factorization.

5220452142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40425 (or 40422 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 5220452142 is about 72252.6964341124. The cubic root of 5220452142 is about 1734.7465784937.

Adding to 5220452142 its reverse (2412540225), we get a palindrome (7632992367).

The spelling of 5220452142 in words is "five billion, two hundred twenty million, four hundred fifty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 233 279 466 558 699 1398 2097 4194 7223 14446 21669 40153 43338 65007 80306 120459 130014 240918 361377 722754 1244743 2489486 3734229 7468458 9355649 11202687 18711298 22405374 28066947 56133894 84200841 168401682 290025119 580050238 870075357 1740150714 2610226071 5220452142