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210210102210101 = 7417169491484537
BaseRepresentation
bin101111110010111101011010…
…011110000110111000110101
31000120021220000110020102220212
4233302331122132012320311
5210023040242131210401
62023025104322035205
762164115203206530
oct5762753236067065
91016256013212825
10210210102210101
1160a85670593534
121b6b0161aa8b05
13903a95c65c486
1439ca31a7a1a17
1519480a92a3dbb
hexbf2f5a786e35

210210102210101 has 32 divisors (see below), whose sum is σ = 249601905907200. Its totient is φ = 173284542950400.

The previous prime is 210210102210077. The next prime is 210210102210103. The reversal of 210210102210101 is 101012201012012.

It is a de Polignac number, because none of the positive numbers 2k-210210102210101 is a prime.

It is a super-2 number, since 2×2102101022101012 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210210102210103) 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 31 ways as a sum of consecutive naturals, for example, 140857505 + ... + 142342041.

It is an arithmetic number, because the mean of its divisors is an integer number (7800059559600).

Almost surely, 2210210102210101 is an apocalyptic number.

It is an amenable number.

210210102210101 is a deficient number, since it is larger than the sum of its proper divisors (39391803697099).

210210102210101 is a wasteful number, since it uses less digits than its factorization.

210210102210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491605.

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

Adding to 210210102210101 its reverse (101012201012012), we get a palindrome (311222303222113).

The spelling of 210210102210101 in words is "two hundred ten trillion, two hundred ten billion, one hundred two million, two hundred ten thousand, one hundred one".

Divisors: 1 7 41 71 287 497 2911 6949 20377 48643 284909 493379 1484537 1994363 3453653 10391759 20228539 60866017 105402127 141599773 426062119 737814889 4321487207 10316047613 30250410449 72212333291 422957952133 732439380523 2960705664931 5127075663661 30030014601443 210210102210101