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230202022313 = 1232691867477
BaseRepresentation
bin1101011001100100011…
…1000001100110101001
3211000012011201101101102
43112121013001212221
512232423204203223
6253430420131145
722426422622124
oct3263107014651
9730164641342
10230202022313
11896a004961a
1238746236ab5
13189284c8bb3
14b1db2b73bb
155ec4ba6928
hex35991c19a9

230202022313 has 4 divisors (see below), whose sum is σ = 230204013060. Its totient is φ = 230200031568.

The previous prime is 230202022291. The next prime is 230202022339. The reversal of 230202022313 is 313220202032.

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 209766748009 + 20435274304 = 458003^2 + 142952^2 .

It is a cyclic number.

It is not a de Polignac number, because 230202022313 - 222 = 230197828009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230202052313) 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, 810470 + ... + 1057007.

It is an arithmetic number, because the mean of its divisors is an integer number (57551003265).

Almost surely, 2230202022313 is an apocalyptic number.

It is an amenable number.

230202022313 is a deficient number, since it is larger than the sum of its proper divisors (1990747).

230202022313 is a wasteful number, since it uses less digits than its factorization.

230202022313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990746.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 230202022313 its reverse (313220202032), we get a palindrome (543422224345).

The spelling of 230202022313 in words is "two hundred thirty billion, two hundred two million, twenty-two thousand, three hundred thirteen".

Divisors: 1 123269 1867477 230202022313