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20233213212130 = 252137946804549
BaseRepresentation
bin1001001100110111010010…
…11111000111010111100010
32122122021110102021011220221
410212123221133013113202
510123000110040242010
6111011002042353254
74155541612433062
oct446335137072742
978567412234827
1020233213212130
1164a094841a086
1223293ba1bb82a
13b39ca35b1449
144dd4154113a2
152514a4091dda
hex1266e97c75e2

20233213212130 has 16 divisors (see below), whose sum is σ = 36436826302200. Its totient is φ = 8089498058112.

The previous prime is 20233213212071. The next prime is 20233213212133. The reversal of 20233213212130 is 3121231233202.

It can be written as a sum of positive squares in 4 ways, for example, as 15727863110569 + 4505350101561 = 3965837^2 + 2122581^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20233213212095 and 20233213212104.

It is not an unprimeable number, because it can be changed into a prime (20233213212133) 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, 473380905 + ... + 473423644.

Almost surely, 220233213212130 is an apocalyptic number.

20233213212130 is a deficient number, since it is larger than the sum of its proper divisors (16203613090070).

20233213212130 is a wasteful number, since it uses less digits than its factorization.

20233213212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946806693.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20233213212130 its reverse (3121231233202), we get a palindrome (23354444445332).

The spelling of 20233213212130 in words is "twenty trillion, two hundred thirty-three billion, two hundred thirteen million, two hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 2137 4274 10685 21370 946804549 1893609098 4734022745 9468045490 2023321321213 4046642642426 10116606606065 20233213212130