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213210244012 = 22186841285283
BaseRepresentation
bin1100011010010001010…
…0100010001110101100
3202101022222200121112011
43012210110202032230
511443123310302022
6241540351251004
721255356112643
oct3064424421654
9671288617464
10213210244012
1182470696037
12353a3819a64
131714b123acc
14a46873835a
15582d0a5977
hex31a45223ac

213210244012 has 12 divisors (see below), whose sum is σ = 373121231896. Its totient is φ = 106604177760.

The previous prime is 213210243989. The next prime is 213210244019. The reversal of 213210244012 is 210442012312.

It is a super-2 number, since 2×2132102440122 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213210244019) 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, 604723 + ... + 890005.

Almost surely, 2213210244012 is an apocalyptic number.

It is an amenable number.

213210244012 is a deficient number, since it is larger than the sum of its proper divisors (159910987884).

213210244012 is a wasteful number, since it uses less digits than its factorization.

213210244012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472128 (or 472126 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 213210244012 its reverse (210442012312), we get a palindrome (423652256324).

The spelling of 213210244012 in words is "two hundred thirteen billion, two hundred ten million, two hundred forty-four thousand, twelve".

Divisors: 1 2 4 186841 285283 373682 570566 747364 1141132 53302561003 106605122006 213210244012