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5052181121 = 13388629317
BaseRepresentation
bin1001011010010001…
…00010101010000001
3111001002120101121022
410231020202222001
540321324243441
62153153435225
7236124555011
oct45510425201
914032511538
105052181121
1121629084a9
12b8bb6bb15
136268cb9b0
1435cda5c41
151e881284b
hex12d222a81

5052181121 has 4 divisors (see below), whose sum is σ = 5440810452. Its totient is φ = 4663551792.

The previous prime is 5052181093. The next prime is 5052181133. The reversal of 5052181121 is 1211812505.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1034522896 + 4017658225 = 32164^2 + 63385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5052181121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5052181721) 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, 194314646 + ... + 194314671.

It is an arithmetic number, because the mean of its divisors is an integer number (1360202613).

Almost surely, 25052181121 is an apocalyptic number.

It is an amenable number.

5052181121 is a deficient number, since it is larger than the sum of its proper divisors (388629331).

5052181121 is a wasteful number, since it uses less digits than its factorization.

5052181121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388629330.

The product of its (nonzero) digits is 800, while the sum is 26.

The square root of 5052181121 is about 71078.6966748828. The cubic root of 5052181121 is about 1715.9039364297.

Adding to 5052181121 its reverse (1211812505), we get a palindrome (6263993626).

The spelling of 5052181121 in words is "five billion, fifty-two million, one hundred eighty-one thousand, one hundred twenty-one".

Divisors: 1 13 388629317 5052181121