Search a number
-
+
213201121233 = 3659993110859
BaseRepresentation
bin1100011010001111000…
…1101110111111010001
3202101022100112010102110
43012203301232333101
511443113441334413
6241535423535533
721255215425632
oct3064361567721
9671270463373
10213201121233
1182466524a51
12353a075a5a9
131714927b609
14a467441889
15582c3a28c3
hex31a3c6efd1

213201121233 has 16 divisors (see below), whose sum is σ = 284754412800. Its totient is φ = 141891041040.

The previous prime is 213201121169. The next prime is 213201121247. The reversal of 213201121233 is 332121102312.

It is not a de Polignac number, because 213201121233 - 26 = 213201121169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213201121933) 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, 19628158 + ... + 19639016.

It is an arithmetic number, because the mean of its divisors is an integer number (17797150800).

Almost surely, 2213201121233 is an apocalyptic number.

It is an amenable number.

213201121233 is a deficient number, since it is larger than the sum of its proper divisors (71553291567).

213201121233 is a wasteful number, since it uses less digits than its factorization.

213201121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21452.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213201121233 its reverse (332121102312), we get a palindrome (545322223545).

The spelling of 213201121233 in words is "two hundred thirteen billion, two hundred one million, one hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 3 659 1977 9931 10859 29793 32577 6544529 7156081 19633587 21468243 107840729 323522187 71067040411 213201121233