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3013213223 = 23511281673
BaseRepresentation
bin1011001110011001…
…1111110000100111
321202222220002110202
42303212133300213
522132340310343
61214555341115
7134445614126
oct26346376047
97688802422
103013213223
111306975769
1270115179b
1339035c807
14208285abd
15129803db8
hexb399fc27

3013213223 has 4 divisors (see below), whose sum is σ = 3014497248. Its totient is φ = 3011929200.

The previous prime is 3013213201. The next prime is 3013213243. The reversal of 3013213223 is 3223123103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3223123103 = 31103971713.

It is a cyclic number.

It is not a de Polignac number, because 3013213223 - 28 = 3013212967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3013213195 and 3013213204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3013213243) 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, 638486 + ... + 643187.

It is an arithmetic number, because the mean of its divisors is an integer number (753624312).

Almost surely, 23013213223 is an apocalyptic number.

3013213223 is a deficient number, since it is larger than the sum of its proper divisors (1284025).

3013213223 is a wasteful number, since it uses less digits than its factorization.

3013213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284024.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3013213223 is about 54892.7428992212. The cubic root of 3013213223 is about 1444.3638875887.

Adding to 3013213223 its reverse (3223123103), we get a palindrome (6236336326).

The spelling of 3013213223 in words is "three billion, thirteen million, two hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 2351 1281673 3013213223