Search a number
-
+
210100122012011 = 7113532777237609
BaseRepresentation
bin101111110001010110111111…
…001000111100100101101011
31000112220101010202002111122212
4233301112333020330211223
5210014240022213341021
62022502355200435335
762153142612021560
oct5761267710744553
91015811122074585
10210100122012011
1160a42a63638940
121b692989918b4b
1390304832a679a
1439c4c86094867
1519452bdcbd85b
hexbf15bf23c96b

210100122012011 has 16 divisors (see below), whose sum is σ = 261950427463680. Its totient is φ = 163709744412480.

The previous prime is 210100122011981. The next prime is 210100122012023. The reversal of 210100122012011 is 110210221001012.

It is not a de Polignac number, because 210100122012011 - 26 = 210100122011947 is a prime.

It is a super-2 number, since 2×2101001220120112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210100122012611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35898626 + ... + 41338983.

It is an arithmetic number, because the mean of its divisors is an integer number (16371901716480).

Almost surely, 2210100122012011 is an apocalyptic number.

210100122012011 is a deficient number, since it is larger than the sum of its proper divisors (51850305451669).

210100122012011 is a wasteful number, since it uses less digits than its factorization.

210100122012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77272954.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210100122012011 its reverse (110210221001012), we get a palindrome (320310343013023).

The spelling of 210100122012011 in words is "two hundred ten trillion, one hundred billion, one hundred twenty-two million, twelve thousand, eleven".

Divisors: 1 7 11 77 35327 247289 388597 2720179 77237609 540663263 849613699 5947295893 2728573013143 19100011092001 30014303144573 210100122012011