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2012002213 = 131071917573
BaseRepresentation
bin111011111101100…
…1011011110100101
312012012221022011111
41313323023132211
513110033032323
6531352105021
7100600510444
oct16773133645
95165838144
102012002213
119427a5051
12481995171
13260aba370
14151300d5b
15bb983c0d
hex77ecb7a5

2012002213 has 16 divisors (see below), whose sum is σ = 2198762496. Its totient is φ = 1830000960.

The previous prime is 2012002163. The next prime is 2012002249. The reversal of 2012002213 is 3122002102.

It is a cyclic number.

It is not a de Polignac number, because 2012002213 - 213 = 2011994021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012002193 and 2012002202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012002913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261895 + ... + 269467.

It is an arithmetic number, because the mean of its divisors is an integer number (137422656).

Almost surely, 22012002213 is an apocalyptic number.

It is an amenable number.

2012002213 is a deficient number, since it is larger than the sum of its proper divisors (186760283).

2012002213 is a wasteful number, since it uses less digits than its factorization.

2012002213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2012002213 is about 44855.3476522031. The cubic root of 2012002213 is about 1262.4363318937.

Adding to 2012002213 its reverse (3122002102), we get a palindrome (5134004315).

The spelling of 2012002213 in words is "two billion, twelve million, two thousand, two hundred thirteen".

Divisors: 1 13 107 191 1391 2483 7573 20437 98449 265681 810311 1446443 10534043 18803759 154769401 2012002213