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10223220213 = 323730700361
BaseRepresentation
bin10011000010101100…
…11111010111110101
3222101110210101200200
421201112133113311
5131414121021323
64410235031113
7511224636513
oct114126372765
928343711620
1010223220213
114376817728
121b9389b499
13c6c01483b
146cda6b4b3
153ec7a2443
hex26159f5f5

10223220213 has 12 divisors (see below), whose sum is σ = 15165978828. Its totient is φ = 6631277760.

The previous prime is 10223220209. The next prime is 10223220239. The reversal of 10223220213 is 31202232201.

10223220213 is a `hidden beast` number, since 10 + 223 + 220 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7449933969 + 2773286244 = 86313^2 + 52662^2 .

It is not a de Polignac number, because 10223220213 - 22 = 10223220209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223220253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15349848 + ... + 15350513.

It is an arithmetic number, because the mean of its divisors is an integer number (1263831569).

Almost surely, 210223220213 is an apocalyptic number.

It is an amenable number.

10223220213 is a deficient number, since it is larger than the sum of its proper divisors (4942758615).

10223220213 is a wasteful number, since it uses less digits than its factorization.

10223220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30700404 (or 30700401 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10223220213 its reverse (31202232201), we get a palindrome (41425452414).

The spelling of 10223220213 in words is "ten billion, two hundred twenty-three million, two hundred twenty thousand, two hundred thirteen".

Divisors: 1 3 9 37 111 333 30700361 92101083 276303249 1135913357 3407740071 10223220213