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4023213213 = 31341071071
BaseRepresentation
bin1110111111001101…
…0101110010011101
3101101101101101222210
43233303111302131
531214420310323
61503115231033
7201461514405
oct35763256235
911341341883
104023213213
111784aa96a8
12943448479
134c168b546
142a2477805
1518830d293
hexefcd5c9d

4023213213 has 4 divisors (see below), whose sum is σ = 5364284288. Its totient is φ = 2682142140.

The previous prime is 4023213211. The next prime is 4023213221. The reversal of 4023213213 is 3123123204.

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 4023213213 - 21 = 4023213211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4023213213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023213211) 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, 670535533 + ... + 670535538.

It is an arithmetic number, because the mean of its divisors is an integer number (1341071072).

Almost surely, 24023213213 is an apocalyptic number.

It is an amenable number.

4023213213 is a deficient number, since it is larger than the sum of its proper divisors (1341071075).

4023213213 is a wasteful number, since it uses less digits than its factorization.

4023213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341071074.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4023213213 is about 63428.8042848042. The cubic root of 4023213213 is about 1590.4658541610.

Adding to 4023213213 its reverse (3123123204), we get a palindrome (7146336417).

Subtracting from 4023213213 its reverse (3123123204), we obtain a palindrome (900090009).

The spelling of 4023213213 in words is "four billion, twenty-three million, two hundred thirteen thousand, two hundred thirteen".

Divisors: 1 3 1341071071 4023213213