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212202102133 = 730314586019
BaseRepresentation
bin1100010110100000111…
…0110001110101110101
3202021201201200200212001
43011220032301311311
511434042214232013
6241252335255301
721221365051540
oct3055016616565
9667651620761
10212202102133
1181aa361112a
123516207a531
131701a2c5a58
14a3b08ab857
1557be816ddd
hex31683b1d75

212202102133 has 4 divisors (see below), whose sum is σ = 242516688160. Its totient is φ = 181887516108.

The previous prime is 212202102127. The next prime is 212202102191. The reversal of 212202102133 is 331201202212.

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 212202102133 - 229 = 211665231221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212202102133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202192133) 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, 15157293003 + ... + 15157293016.

It is an arithmetic number, because the mean of its divisors is an integer number (60629172040).

Almost surely, 2212202102133 is an apocalyptic number.

It is an amenable number.

212202102133 is a deficient number, since it is larger than the sum of its proper divisors (30314586027).

212202102133 is an equidigital number, since it uses as much as digits as its factorization.

212202102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30314586026.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212202102133 its reverse (331201202212), we get a palindrome (543403304345).

The spelling of 212202102133 in words is "two hundred twelve billion, two hundred two million, one hundred two thousand, one hundred thirty-three".

Divisors: 1 7 30314586019 212202102133