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213020123130223 = 855972488640059
BaseRepresentation
bin110000011011110110011100…
…110001001110100101101111
31000221020112011122100112000021
4300123312130301032211233
5210410110203010131343
62033020032114343011
762604124143012313
oct6033663461164557
91027215148315007
10213020123130223
11619693660a1682
121ba8488828aa67
1391b2932ca3836
143a8632c423b43
1519962201b50ed
hexc1bd9cc4e96f

213020123130223 has 4 divisors (see below), whose sum is σ = 213022611855880. Its totient is φ = 213017634404568.

The previous prime is 213020123130179. The next prime is 213020123130247. The reversal of 213020123130223 is 322031321020312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213020123130223 - 225 = 213020089575791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213020123130263) 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, 1244234433 + ... + 1244405626.

It is an arithmetic number, because the mean of its divisors is an integer number (53255652963970).

Almost surely, 2213020123130223 is an apocalyptic number.

213020123130223 is a deficient number, since it is larger than the sum of its proper divisors (2488725657).

213020123130223 is an equidigital number, since it uses as much as digits as its factorization.

213020123130223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488725656.

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

Adding to 213020123130223 its reverse (322031321020312), we get a palindrome (535051444150535).

The spelling of 213020123130223 in words is "two hundred thirteen trillion, twenty billion, one hundred twenty-three million, one hundred thirty thousand, two hundred twenty-three".

Divisors: 1 85597 2488640059 213020123130223