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5005004831 = 13936007229
BaseRepresentation
bin1001010100101001…
…00101000000011111
3110220210210120220022
410222110211000133
540222240123311
62144350342355
7235012560551
oct45224450037
913823716808
105005004831
112139216232
12b781ba9bb
13619bc1928
14356a054d1
151e45e45db
hex12a52501f

5005004831 has 4 divisors (see below), whose sum is σ = 5041012200. Its totient is φ = 4968997464.

The previous prime is 5005004821. The next prime is 5005004887. The reversal of 5005004831 is 1384005005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5005004831 is a prime.

It is a super-2 number, since 2×50050048312 = 50100146716666677122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5005004831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005004821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18003476 + ... + 18003753.

It is an arithmetic number, because the mean of its divisors is an integer number (1260253050).

Almost surely, 25005004831 is an apocalyptic number.

5005004831 is a deficient number, since it is larger than the sum of its proper divisors (36007369).

5005004831 is a wasteful number, since it uses less digits than its factorization.

5005004831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36007368.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5005004831 is about 70746.0587665490. The cubic root of 5005004831 is about 1710.5462991263.

Adding to 5005004831 its reverse (1384005005), we get a palindrome (6389009836).

The spelling of 5005004831 in words is "five billion, five million, four thousand, eight hundred thirty-one".

Divisors: 1 139 36007229 5005004831