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211404020201 = 11191571643859
BaseRepresentation
bin1100010011100010101…
…0010101100111101001
3202012200002221221020222
43010320222111213221
511430423412121301
6241041225455425
721162534344213
oct3047052254751
9665602857228
10211404020201
1181724070390
1234b7a941575
1316c20b64c1a
14a3368c15b3
15577471d31b
hex3138a959e9

211404020201 has 16 divisors (see below), whose sum is σ = 242915500800. Its totient is φ = 181954270800.

The previous prime is 211404020153. The next prime is 211404020203. The reversal of 211404020201 is 102020404112.

211404020201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 211404020201 - 226 = 211336911337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211404020201.

It is not an unprimeable number, because it can be changed into a prime (211404020203) 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, 6410 + ... + 650268.

It is an arithmetic number, because the mean of its divisors is an integer number (15182218800).

Almost surely, 2211404020201 is an apocalyptic number.

It is an amenable number.

211404020201 is a deficient number, since it is larger than the sum of its proper divisors (31511480599).

211404020201 is a wasteful number, since it uses less digits than its factorization.

211404020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645460.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211404020201 its reverse (102020404112), we get a palindrome (313424424313).

The spelling of 211404020201 in words is "two hundred eleven billion, four hundred four million, twenty thousand, two hundred one".

Divisors: 1 11 19 209 1571 17281 29849 328339 643859 7082449 12233321 134566531 1011502489 11126527379 19218547291 211404020201