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20210103210 = 2351161242737
BaseRepresentation
bin10010110100100111…
…011011001110101010
31221011110212121200010
4102310213123032222
5312342241300320
613141232352350
71313553020463
oct226447331652
957143777603
1020210103210
118631092740
123b003a56b6
131ba108b76b
14d9a177d6a
157d441dae0
hex4b49db3aa

20210103210 has 32 divisors (see below), whose sum is σ = 52913725632. Its totient is φ = 4899418880.

The previous prime is 20210103181. The next prime is 20210103229. The reversal of 20210103210 is 1230101202.

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 15 ways as a sum of consecutive naturals, for example, 30621039 + ... + 30621698.

It is an arithmetic number, because the mean of its divisors is an integer number (1653553926).

Almost surely, 220210103210 is an apocalyptic number.

20210103210 is an abundant number, since it is smaller than the sum of its proper divisors (32703622422).

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

20210103210 is a wasteful number, since it uses less digits than its factorization.

20210103210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61242758.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20210103210 its reverse (1230101202), we get a palindrome (21440204412).

The spelling of 20210103210 in words is "twenty billion, two hundred ten million, one hundred three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 61242737 122485474 183728211 306213685 367456422 612427370 673670107 918641055 1347340214 1837282110 2021010321 3368350535 4042020642 6736701070 10105051605 20210103210