Search a number
-
+
212021032213 = 1392050774381
BaseRepresentation
bin1100010101110101110…
…0000011010100010101
3202021021002222101121201
43011131130003110111
511433204341012323
6241222350312501
721214036016104
oct3053534032425
9667232871551
10212021032213
1181a10388671
12351114b8731
1316cbb938ba3
14a39481603b
1557ad99b8ad
hex315d703515

212021032213 has 8 divisors (see below), whose sum is σ = 213559647840. Its totient is φ = 210482606640.

The previous prime is 212021032211. The next prime is 212021032297. The reversal of 212021032213 is 312230120212.

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 212021032213 - 21 = 212021032211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021032211) 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, 2813283 + ... + 2887663.

It is an arithmetic number, because the mean of its divisors is an integer number (26694955980).

Almost surely, 2212021032213 is an apocalyptic number.

It is an amenable number.

212021032213 is a deficient number, since it is larger than the sum of its proper divisors (1538615627).

212021032213 is a wasteful number, since it uses less digits than its factorization.

212021032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95027.

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

Adding to 212021032213 its reverse (312230120212), we get a palindrome (524251152425).

The spelling of 212021032213 in words is "two hundred twelve billion, twenty-one million, thirty-two thousand, two hundred thirteen".

Divisors: 1 139 20507 74381 2850473 10338959 1525331167 212021032213