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200221323013 = 571350650303
BaseRepresentation
bin1011101001111000011…
…1101110111100000101
3201010210202202001121001
42322132013232330011
511240023124314023
6231551433453301
720315446110415
oct2723607567405
9633722661531
10200221323013
1177a05798488
1232979871231
1315b5b130b3a
149995654645
15531cae16ad
hex2e9e1eef05

200221323013 has 4 divisors (see below), whose sum is σ = 200571973888. Its totient is φ = 199870672140.

The previous prime is 200221322993. The next prime is 200221323041. The reversal of 200221323013 is 310323122002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310323122002 = 2155161561001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200221323013 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 (200221323713) 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, 175324581 + ... + 175325722.

It is an arithmetic number, because the mean of its divisors is an integer number (50142993472).

Almost surely, 2200221323013 is an apocalyptic number.

It is an amenable number.

200221323013 is a deficient number, since it is larger than the sum of its proper divisors (350650875).

200221323013 is an equidigital number, since it uses as much as digits as its factorization.

200221323013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350650874.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 200221323013 its reverse (310323122002), we get a palindrome (510544445015).

The spelling of 200221323013 in words is "two hundred billion, two hundred twenty-one million, three hundred twenty-three thousand, thirteen".

Divisors: 1 571 350650303 200221323013