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20213130130 = 252021313013
BaseRepresentation
bin10010110100110010…
…111110001110010010
31221011200120101211021
4102310302332032102
5312344030131010
613141421310054
71313620525354
oct226462761622
957150511737
1020213130130
11863286a926
123b0140532a
131ba18ab43b
14d9a7250d4
157d481a8da
hex4b4cbe392

20213130130 has 8 divisors (see below), whose sum is σ = 36383634252. Its totient is φ = 8085252048.

The previous prime is 20213130071. The next prime is 20213130137. The reversal of 20213130130 is 3103131202.

It can be written as a sum of positive squares in 2 ways, for example, as 20137596649 + 75533481 = 141907^2 + 8691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20213130137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010656497 + ... + 1010656516.

Almost surely, 220213130130 is an apocalyptic number.

20213130130 is a deficient number, since it is larger than the sum of its proper divisors (16170504122).

20213130130 is a wasteful number, since it uses less digits than its factorization.

20213130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021313020.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20213130130 its reverse (3103131202), we get a palindrome (23316261332).

The spelling of 20213130130 in words is "twenty billion, two hundred thirteen million, one hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 10 2021313013 4042626026 10106565065 20213130130