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213112323020001 = 31091181551837123
BaseRepresentation
bin110000011101001100010100…
…010011111001010011100001
31000221120100011012201012120210
4300131030110103321103201
5210413113014143120001
62033130241042124333
762613600014105556
oct6035142423712341
91027510135635523
10213112323020001
11619a4479577499
121ba9a7199506a9
1391bb5377b9232
143a8a997570a2d
15199881973add6
hexc1d3144f94e1

213112323020001 has 16 divisors (see below), whose sum is σ = 286999451449920. Its totient is φ = 140652245655360.

The previous prime is 213112323019987. The next prime is 213112323020071. The reversal of 213112323020001 is 100020323211312.

It is not a de Polignac number, because 213112323020001 - 211 = 213112323017953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213112323020001.

It is not an unprimeable number, because it can be changed into a prime (213112323020071) 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, 275532375 + ... + 276304748.

It is an arithmetic number, because the mean of its divisors is an integer number (17937465715620).

Almost surely, 2213112323020001 is an apocalyptic number.

It is an amenable number.

213112323020001 is a deficient number, since it is larger than the sum of its proper divisors (73887128429919).

213112323020001 is a wasteful number, since it uses less digits than its factorization.

213112323020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551838416.

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

Adding to 213112323020001 its reverse (100020323211312), we get a palindrome (313132646231313).

The spelling of 213112323020001 in words is "two hundred thirteen trillion, one hundred twelve billion, three hundred twenty-three million, twenty thousand, one".

Divisors: 1 3 109 327 1181 3543 128729 386187 551837123 1655511369 60150246407 180450739221 651719642263 1955158926789 71037441006667 213112323020001