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2021322130 = 25391151683
BaseRepresentation
bin111100001111010…
…1110110110010010
312012212110210200121
41320132232312102
513114424302010
6532323540454
7101042645302
oct17036566622
95185423617
102021322130
11947a90263
12484b2a72a
13262a014c9
14152649602
15bc6c53da
hex787aed92

2021322130 has 16 divisors (see below), whose sum is σ = 3639380544. Its totient is φ = 808306480.

The previous prime is 2021322103. The next prime is 2021322131. The reversal of 2021322130 is 312231202.

It is not an unprimeable number, because it can be changed into a prime (2021322131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13269 + ... + 64951.

It is an arithmetic number, because the mean of its divisors is an integer number (227461284).

Almost surely, 22021322130 is an apocalyptic number.

2021322130 is a deficient number, since it is larger than the sum of its proper divisors (1618058414).

2021322130 is a wasteful number, since it uses less digits than its factorization.

2021322130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55601.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021322130 is about 44959.1162057263. The cubic root of 2021322130 is about 1264.3825990391.

Adding to 2021322130 its reverse (312231202), we get a palindrome (2333553332).

The spelling of 2021322130 in words is "two billion, twenty-one million, three hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 3911 7822 19555 39110 51683 103366 258415 516830 202132213 404264426 1010661065 2021322130