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3013211213 = 16871178603
BaseRepresentation
bin1011001110011001…
…1111010001001101
321202222212222201022
42303212133101031
522132340224323
61214555323525
7134445605225
oct26346372115
97688788638
103013211213
111306974201
127011505a5
1339035b91c
14208285085
151298034c8
hexb399f44d

3013211213 has 4 divisors (see below), whose sum is σ = 3013406688. Its totient is φ = 3013015740.

The previous prime is 3013211153. The next prime is 3013211261. The reversal of 3013211213 is 3121123103.

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 3013211213 - 214 = 3013194829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3013211191 and 3013211200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3013217213) 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, 72431 + ... + 106172.

It is an arithmetic number, because the mean of its divisors is an integer number (753351672).

Almost surely, 23013211213 is an apocalyptic number.

It is an amenable number.

3013211213 is a deficient number, since it is larger than the sum of its proper divisors (195475).

3013211213 is a wasteful number, since it uses less digits than its factorization.

3013211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195474.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3013211213 is about 54892.7245907871. The cubic root of 3013211213 is about 1444.3635664286.

Adding to 3013211213 its reverse (3121123103), we get a palindrome (6134334316).

The spelling of 3013211213 in words is "three billion, thirteen million, two hundred eleven thousand, two hundred thirteen".

Divisors: 1 16871 178603 3013211213