Search a number
-
+
2012203033221 = 33253720614511
BaseRepresentation
bin11101010010000000101…
…001011010001010000101
321010100211220000011112110
4131102000221122022011
5230431442434030341
64140220542211233
7265243160401263
oct35220051321205
97110756004473
102012203033221
11706409177307
12285b8a883b19
131179997a59a4
146d56943d433
153751e4a6216
hex1d480a5a285

2012203033221 has 8 divisors (see below), whose sum is σ = 2683019965824. Its totient is φ = 1341427394720.

The previous prime is 2012203033163. The next prime is 2012203033229. The reversal of 2012203033221 is 1223303022102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012203033221 - 230 = 2011129291397 is a prime.

It is a super-2 number, since 2×20122030332212 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012203033229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10209645 + ... + 10404866.

It is an arithmetic number, because the mean of its divisors is an integer number (335377495728).

Almost surely, 22012203033221 is an apocalyptic number.

It is an amenable number.

2012203033221 is a deficient number, since it is larger than the sum of its proper divisors (670816932603).

2012203033221 is a wasteful number, since it uses less digits than its factorization.

2012203033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20647051.

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

Adding to 2012203033221 its reverse (1223303022102), we get a palindrome (3235506055323).

The spelling of 2012203033221 in words is "two trillion, twelve billion, two hundred three million, thirty-three thousand, two hundred twenty-one".

Divisors: 1 3 32537 97611 20614511 61843533 670734344407 2012203033221