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20210211102 = 2311831284707
BaseRepresentation
bin10010110100100111…
…110101100100011110
31221011111002002200010
4102310213311210132
5312342303223402
613141234544050
71313553650154
oct226447654436
957144062603
1020210211102
118631156804
123b00438026
131ba10c88c3
14d9a1a53d4
157d4440a6c
hex4b49f591e

20210211102 has 16 divisors (see below), whose sum is σ = 40423980672. Its totient is φ = 6736143960.

The previous prime is 20210211059. The next prime is 20210211121. The reversal of 20210211102 is 20111201202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71368 + ... + 213339.

It is an arithmetic number, because the mean of its divisors is an integer number (2526498792).

Almost surely, 220210211102 is an apocalyptic number.

20210211102 is an abundant number, since it is smaller than the sum of its proper divisors (20213769570).

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

20210211102 is a wasteful number, since it uses less digits than its factorization.

20210211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296543.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20210211102 its reverse (20111201202), we get a palindrome (40321412304).

The spelling of 20210211102 in words is "twenty billion, two hundred ten million, two hundred eleven thousand, one hundred two".

Divisors: 1 2 3 6 11831 23662 35493 70986 284707 569414 854121 1708242 3368368517 6736737034 10105105551 20210211102