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213230223122 = 2797115685613
BaseRepresentation
bin1100011010010110000…
…0101111111100010010
3202101101101021122201012
43012211200233330102
511443143414114442
6241542343410522
721256020664040
oct3064540577422
9671341248635
10213230223122
11824809a16a4
12353aa453a42
13171522ca877
14a46b259390
15582ec00582
hex31a582ff12

213230223122 has 16 divisors (see below), whose sum is σ = 365914003392. Its totient is φ = 91290261840.

The previous prime is 213230223119. The next prime is 213230223181. The reversal of 213230223122 is 221322032312.

213230223122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7829213 + ... + 7856400.

It is an arithmetic number, because the mean of its divisors is an integer number (22869625212).

Almost surely, 2213230223122 is an apocalyptic number.

213230223122 is a deficient number, since it is larger than the sum of its proper divisors (152683780270).

213230223122 is a wasteful number, since it uses less digits than its factorization.

213230223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15686593.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 213230223122 its reverse (221322032312), we get a palindrome (434552255434).

The spelling of 213230223122 in words is "two hundred thirteen billion, two hundred thirty million, two hundred twenty-three thousand, one hundred twenty-two".

Divisors: 1 2 7 14 971 1942 6797 13594 15685613 31371226 109799291 219598582 15230730223 30461460446 106615111561 213230223122