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3919468213 = 28313849711
BaseRepresentation
bin1110100110011110…
…0101011010110101
3101010011011121121101
43221213211122311
531011340440323
61444531450101
7166061634013
oct35147453265
911104147541
103919468213
11173148a531
12914756931
134a603627b
1429278d8b3
1517e168dad
hexe99e56b5

3919468213 has 4 divisors (see below), whose sum is σ = 3933318208. Its totient is φ = 3905618220.

The previous prime is 3919468211. The next prime is 3919468253. The reversal of 3919468213 is 3128649193.

It is a happy number.

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 3919468213 - 21 = 3919468211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3919468211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6924573 + ... + 6925138.

It is an arithmetic number, because the mean of its divisors is an integer number (983329552).

Almost surely, 23919468213 is an apocalyptic number.

It is an amenable number.

3919468213 is a deficient number, since it is larger than the sum of its proper divisors (13849995).

3919468213 is a wasteful number, since it uses less digits than its factorization.

3919468213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13849994.

The product of its digits is 279936, while the sum is 46.

The square root of 3919468213 is about 62605.6563978048. The cubic root of 3919468213 is about 1576.6757289226.

The spelling of 3919468213 in words is "three billion, nine hundred nineteen million, four hundred sixty-eight thousand, two hundred thirteen".

Divisors: 1 283 13849711 3919468213