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200130021313 = 310136453101
BaseRepresentation
bin1011101001100010101…
…1011100011111000001
3201010120101221110012121
42322120223130133001
511234331241140223
6231534412524241
720313260053615
oct2723053343701
9633511843177
10200130021313
11779691a8132
1232953180681
1315b45244571
149987489345
155314aa915d
hex2e98adc7c1

200130021313 has 4 divisors (see below), whose sum is σ = 200136505428. Its totient is φ = 200123537200.

The previous prime is 200130021283. The next prime is 200130021319. The reversal of 200130021313 is 313120031002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 827597824 + 199302423489 = 28768^2 + 446433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200130021313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200130021319) 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, 3195538 + ... + 3257563.

It is an arithmetic number, because the mean of its divisors is an integer number (50034126357).

Almost surely, 2200130021313 is an apocalyptic number.

It is an amenable number.

200130021313 is a deficient number, since it is larger than the sum of its proper divisors (6484115).

200130021313 is an equidigital number, since it uses as much as digits as its factorization.

200130021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484114.

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

Adding to 200130021313 its reverse (313120031002), we get a palindrome (513250052315).

The spelling of 200130021313 in words is "two hundred billion, one hundred thirty million, twenty-one thousand, three hundred thirteen".

Divisors: 1 31013 6453101 200130021313