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3104020213 = 7443431459
BaseRepresentation
bin1011100100000011…
…1001011011110101
322000022202120020121
42321000321123311
522324112121323
61232001531541
7136630510420
oct27100713365
98008676217
103104020213
111353158368
12727643bb1
133a6104b68
142163629b7
1513278ea5d
hexb90396f5

3104020213 has 4 divisors (see below), whose sum is σ = 3547451680. Its totient is φ = 2660588748.

The previous prime is 3104020189. The next prime is 3104020219. The reversal of 3104020213 is 3120204013.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3120204013 = 8273772919.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3104020213 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 (3104020219) 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, 221715723 + ... + 221715736.

It is an arithmetic number, because the mean of its divisors is an integer number (886862920).

Almost surely, 23104020213 is an apocalyptic number.

It is an amenable number.

3104020213 is a deficient number, since it is larger than the sum of its proper divisors (443431467).

3104020213 is an equidigital number, since it uses as much as digits as its factorization.

3104020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443431466.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3104020213 is about 55713.7345095444. The cubic root of 3104020213 is about 1458.7297723172.

Adding to 3104020213 its reverse (3120204013), we get a palindrome (6224224226).

The spelling of 3104020213 in words is "three billion, one hundred four million, twenty thousand, two hundred thirteen".

Divisors: 1 7 443431459 3104020213