Search a number
-
+
2130113232021 = 3787902208061
BaseRepresentation
bin11110111111110100101…
…001000111110010010101
321112122012020211212201110
4132333310221013302111
5234344432441411041
64310321023045233
7306616122504645
oct36776451076225
97478166755643
102130113232021
117514154298a5
122a49b6740819
13125b3aa333a8
1475152dd2525
153a620c5b516
hex1eff4a47c95

2130113232021 has 8 divisors (see below), whose sum is σ = 2843759811424. Its totient is φ = 1418271070320.

The previous prime is 2130113231951. The next prime is 2130113232043. The reversal of 2130113232021 is 1202323110312.

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

It is not a de Polignac number, because 2130113232021 - 217 = 2130113100949 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 (2130113236021) 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, 451101670 + ... + 451106391.

It is an arithmetic number, because the mean of its divisors is an integer number (355469976428).

Almost surely, 22130113232021 is an apocalyptic number.

It is an amenable number.

2130113232021 is a deficient number, since it is larger than the sum of its proper divisors (713646579403).

2130113232021 is an equidigital number, since it uses as much as digits as its factorization.

2130113232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902208851.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2130113232021 its reverse (1202323110312), we get a palindrome (3332436342333).

The spelling of 2130113232021 in words is "two trillion, one hundred thirty billion, one hundred thirteen million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 3 787 2361 902208061 2706624183 710037744007 2130113232021