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5051053421 = 6469780809
BaseRepresentation
bin1001011010001000…
…01111010101101101
3111001000110002200122
410231010033111231
540321032202141
62153113334325
7236112150161
oct45504172555
914030402618
105051053421
112162208217
12b8b7073a5
136265c560b
1435cb90ca1
151e868d64b
hex12d10f56d

5051053421 has 4 divisors (see below), whose sum is σ = 5051840700. Its totient is φ = 5050266144.

The previous prime is 5051053369. The next prime is 5051053429. The reversal of 5051053421 is 1243501505.

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 1938640900 + 3112412521 = 44030^2 + 55789^2 .

It is a cyclic number.

It is not a de Polignac number, because 5051053421 - 226 = 4983944557 is a prime.

It is a super-5 number, since 5×50510534215 (a number of 50 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051053429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383936 + ... + 396873.

It is an arithmetic number, because the mean of its divisors is an integer number (1262960175).

Almost surely, 25051053421 is an apocalyptic number.

It is an amenable number.

5051053421 is a deficient number, since it is larger than the sum of its proper divisors (787279).

5051053421 is an equidigital number, since it uses as much as digits as its factorization.

5051053421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787278.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5051053421 is about 71070.7634755671. The cubic root of 5051053421 is about 1715.7762576567.

Adding to 5051053421 its reverse (1243501505), we get a palindrome (6294554926).

The spelling of 5051053421 in words is "five billion, fifty-one million, fifty-three thousand, four hundred twenty-one".

Divisors: 1 6469 780809 5051053421