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2021150242 = 243223105389
BaseRepresentation
bin111100001111000…
…0100111000100010
312012212011001220101
41320132010320202
513114403301432
6532320133014
7101041331206
oct17036047042
95185131811
102021150242
11947983101
12484a6716a
132629711b7
14152602b06
15bc68e4e7
hex78784e22

2021150242 has 16 divisors (see below), whose sum is σ = 3116171520. Its totient is φ = 982637712.

The previous prime is 2021150203. The next prime is 2021150269. The reversal of 2021150242 is 2420511202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33517 + ... + 71872.

It is an arithmetic number, because the mean of its divisors is an integer number (194760720).

Almost surely, 22021150242 is an apocalyptic number.

2021150242 is a deficient number, since it is larger than the sum of its proper divisors (1095021278).

2021150242 is a wasteful number, since it uses less digits than its factorization.

2021150242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105657.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2021150242 is about 44957.2045616718. The cubic root of 2021150242 is about 1264.3467580824.

Adding to 2021150242 its reverse (2420511202), we get a palindrome (4441661444).

The spelling of 2021150242 in words is "two billion, twenty-one million, one hundred fifty thousand, two hundred forty-two".

Divisors: 1 2 43 86 223 446 9589 19178 105389 210778 4531727 9063454 23501747 47003494 1010575121 2021150242