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5450511021 = 31816837007
BaseRepresentation
bin1010001001110000…
…00011001010101101
3112001212002122111120
411010320003022231
542130312323041
62300503211153
7252032402454
oct50470031255
915055078446
105450511021
11234774266a
121081446ab9
1368b2a7067
14399c53b9b
1521d796366
hex144e032ad

5450511021 has 4 divisors (see below), whose sum is σ = 7267348032. Its totient is φ = 3633674012.

The previous prime is 5450510977. The next prime is 5450511029. The reversal of 5450511021 is 1201150545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5450511021 - 27 = 5450510893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5450510982 and 5450511000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5450511029) 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, 908418501 + ... + 908418506.

It is an arithmetic number, because the mean of its divisors is an integer number (1816837008).

Almost surely, 25450511021 is an apocalyptic number.

It is an amenable number.

5450511021 is a deficient number, since it is larger than the sum of its proper divisors (1816837011).

5450511021 is a wasteful number, since it uses less digits than its factorization.

5450511021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816837010.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 5450511021 is about 73827.5762909768. The cubic root of 5450511021 is about 1759.8638648362.

Adding to 5450511021 its reverse (1201150545), we get a palindrome (6651661566).

The spelling of 5450511021 in words is "five billion, four hundred fifty million, five hundred eleven thousand, twenty-one".

Divisors: 1 3 1816837007 5450511021