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200323012213 = 223789549849
BaseRepresentation
bin1011101010010000101…
…1101001011001110101
3201011001212002101221201
42322210023221121311
511240230142342323
6232005505212501
720321122336402
oct2724413513165
9634055071851
10200323012213
1177a58133045
12329a7931131
1315b7621646c
1499a4d652a9
1553269cb8ad
hex2ea42e9675

200323012213 has 4 divisors (see below), whose sum is σ = 200412564300. Its totient is φ = 200233460128.

The previous prime is 200323012159. The next prime is 200323012283. The reversal of 200323012213 is 312210323002.

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 105571706724 + 94751305489 = 324918^2 + 307817^2 .

It is a cyclic number.

It is not a de Polignac number, because 200323012213 - 29 = 200323011701 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 (200323012283) 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, 44772688 + ... + 44777161.

It is an arithmetic number, because the mean of its divisors is an integer number (50103141075).

Almost surely, 2200323012213 is an apocalyptic number.

It is an amenable number.

200323012213 is a deficient number, since it is larger than the sum of its proper divisors (89552087).

200323012213 is an equidigital number, since it uses as much as digits as its factorization.

200323012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89552086.

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

Adding to 200323012213 its reverse (312210323002), we get a palindrome (512533335215).

The spelling of 200323012213 in words is "two hundred billion, three hundred twenty-three million, twelve thousand, two hundred thirteen".

Divisors: 1 2237 89549849 200323012213