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202130243011 = 871872318353
BaseRepresentation
bin1011110000111111100…
…1101011110111000011
3201022201210201020112201
42330033321223313003
511302430320234021
6232505104334031
720413655501014
oct2741771536703
9638653636481
10202130243011
11787a5286314
1233211014317
13160a37687b8
149ad6da100b
1553d04b2591
hex2f0fe6bdc3

202130243011 has 4 divisors (see below), whose sum is σ = 202132648552. Its totient is φ = 202127837472.

The previous prime is 202130242987. The next prime is 202130243141. The reversal of 202130243011 is 110342031202.

It is a happy number.

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 202130243011 - 225 = 202096688579 is a prime.

It is a super-2 number, since 2×2021302430112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202130243011.

It is not an unprimeable number, because it can be changed into a prime (202130243311) 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, 1071990 + ... + 1246363.

It is an arithmetic number, because the mean of its divisors is an integer number (50533162138).

Almost surely, 2202130243011 is an apocalyptic number.

202130243011 is a deficient number, since it is larger than the sum of its proper divisors (2405541).

202130243011 is an equidigital number, since it uses as much as digits as its factorization.

202130243011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405540.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 202130243011 its reverse (110342031202), we get a palindrome (312472274213).

The spelling of 202130243011 in words is "two hundred two billion, one hundred thirty million, two hundred forty-three thousand, eleven".

Divisors: 1 87187 2318353 202130243011