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213030122032220 = 22513578778442753
BaseRepresentation
bin110000011011111111110000…
…110000000000110001011100
31000221021110222111001100221212
4300123333300300000301130
5210410241142220012340
62033024404221443552
762604630005202143
oct6033776060006134
91027243874040855
10213030122032220
1161972627226749
121ba867b8a105b8
1391b38676982ac
143a869da37c75a
151996607e07a65
hexc1bff0c00c5c

213030122032220 has 24 divisors (see below), whose sum is σ = 447366556566384. Its totient is φ = 85211420184576.

The previous prime is 213030122032213. The next prime is 213030122032267. The reversal of 213030122032220 is 22230221030312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36505637 + ... + 41937116.

It is an arithmetic number, because the mean of its divisors is an integer number (18640273190266).

Almost surely, 2213030122032220 is an apocalyptic number.

213030122032220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213030122032220 is an abundant number, since it is smaller than the sum of its proper divisors (234336434534164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213030122032220 is a wasteful number, since it uses less digits than its factorization.

213030122032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78578549 (or 78578547 counting only the distinct ones).

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

Adding to 213030122032220 its reverse (22230221030312), we get a palindrome (235260343062532).

The spelling of 213030122032220 in words is "two hundred thirteen trillion, thirty billion, one hundred twenty-two million, thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 135787 271574 543148 678935 1357870 2715740 78442753 156885506 313771012 392213765 784427530 1568855060 10651506101611 21303012203222 42606024406444 53257530508055 106515061016110 213030122032220