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5471119821 = 31823706607
BaseRepresentation
bin1010001100001101…
…01010100111001101
3112010021212200110110
411012012222213031
542201101313241
62302521030233
7252402515436
oct50606524715
915107780413
105471119821
112358339332
121088325379
1369264160b
1439c89a48d
152204b7816
hex1461aa9cd

5471119821 has 4 divisors (see below), whose sum is σ = 7294826432. Its totient is φ = 3647413212.

The previous prime is 5471119817. The next prime is 5471119861. The reversal of 5471119821 is 1289111745.

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 not a de Polignac number, because 5471119821 - 22 = 5471119817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5471119821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5471119861) 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, 911853301 + ... + 911853306.

It is an arithmetic number, because the mean of its divisors is an integer number (1823706608).

Almost surely, 25471119821 is an apocalyptic number.

It is an amenable number.

5471119821 is a deficient number, since it is larger than the sum of its proper divisors (1823706611).

5471119821 is a wasteful number, since it uses less digits than its factorization.

5471119821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823706610.

The product of its digits is 20160, while the sum is 39.

The square root of 5471119821 is about 73967.0184676927. The cubic root of 5471119821 is about 1762.0791352027.

The spelling of 5471119821 in words is "five billion, four hundred seventy-one million, one hundred nineteen thousand, eight hundred twenty-one".

Divisors: 1 3 1823706607 5471119821