Search a number
-
+
223103220212 = 221719172680511
BaseRepresentation
bin1100111111000111111…
…1001111100111110100
3210022212110001212121002
43033301333033213310
512123403411021322
6250254152142432
722055464040105
oct3176177174764
9708773055532
10223103220212
1186687a51524
12372a4997a18
13180668ab792
14ab2659c3ac
155c0b872c92
hex33f1fcf9f4

223103220212 has 24 divisors (see below), whose sum is σ = 435154890240. Its totient is φ = 99463973760.

The previous prime is 223103220211. The next prime is 223103220247. The reversal of 223103220212 is 212022301322.

It is a happy number.

It is a super-3 number, since 3×2231032202123 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223103220211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86338964 + ... + 86341547.

It is an arithmetic number, because the mean of its divisors is an integer number (18131453760).

Almost surely, 2223103220212 is an apocalyptic number.

It is an amenable number.

223103220212 is a deficient number, since it is larger than the sum of its proper divisors (212051670028).

223103220212 is a wasteful number, since it uses less digits than its factorization.

223103220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172680551 (or 172680549 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 223103220212 its reverse (212022301322), we get a palindrome (435125521534).

The spelling of 223103220212 in words is "two hundred twenty-three billion, one hundred three million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292 172680511 345361022 690722044 2935568687 3280929709 5871137374 6561859418 11742274748 13123718836 55775805053 111551610106 223103220212