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23212033212 = 2233919493579
BaseRepresentation
bin10101100111100010…
…111000010010111100
32012220200112110110210
4111213202320102330
5340014240030322
614355150232420
71451134012134
oct254742702274
965820473423
1023212033212
119931651125
1245b97b5710
13225bc9a5c4
1411a2b23ac4
1590cc4470c
hex5678b84bc

23212033212 has 24 divisors (see below), whose sum is σ = 54175340800. Its totient is φ = 7735354416.

The previous prime is 23212033193. The next prime is 23212033253. The reversal of 23212033212 is 21233021232.

It is a happy number.

It is a super-3 number, since 3×232120332123 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199762 + ... + 293817.

Almost surely, 223212033212 is an apocalyptic number.

It is an amenable number.

23212033212 is an abundant number, since it is smaller than the sum of its proper divisors (30963307588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23212033212 is a wasteful number, since it uses less digits than its factorization.

23212033212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497505 (or 497503 counting only the distinct ones).

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

Adding to 23212033212 its reverse (21233021232), we get a palindrome (44445054444).

The spelling of 23212033212 in words is "twenty-three billion, two hundred twelve million, thirty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 3919 7838 11757 15676 23514 47028 493579 987158 1480737 1974316 2961474 5922948 1934336101 3868672202 5803008303 7737344404 11606016606 23212033212