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213120001322 = 21723373972889
BaseRepresentation
bin1100011001111011110…
…0010010010100101010
3202101002200212210211022
43012132330102110222
511442432210020242
6241523405132442
721253212056504
oct3063674222452
9671080783738
10213120001322
11824247593a8
123537955a122
1317135518577
14a45a766d74
1558251cc0d2
hex319ef1252a

213120001322 has 32 divisors (see below), whose sum is σ = 353300745600. Its totient is φ = 95904281088.

The previous prime is 213120001321. The next prime is 213120001379. The reversal of 213120001322 is 223100021312.

213120001322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 213120001322.

It is not an unprimeable number, because it can be changed into a prime (213120001321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2887454 + ... + 2960342.

It is an arithmetic number, because the mean of its divisors is an integer number (11040648300).

Almost surely, 2213120001322 is an apocalyptic number.

213120001322 is a deficient number, since it is larger than the sum of its proper divisors (140180744278).

213120001322 is a wasteful number, since it uses less digits than its factorization.

213120001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76670.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213120001322 its reverse (223100021312), we get a palindrome (436220022634).

The spelling of 213120001322 in words is "two hundred thirteen billion, one hundred twenty million, one thousand, three hundred twenty-two".

Divisors: 1 2 17 23 34 46 391 782 3739 7478 63563 72889 85997 127126 145778 171994 1239113 1461949 1676447 2478226 2923898 3352894 28499599 56999198 272531971 545063942 4633043507 6268235333 9266087014 12536470666 106560000661 213120001322