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220303013221 = 1311681702391
BaseRepresentation
bin1100110100101100010…
…1010011010101100101
3210001122021222121202001
43031023011103111211
512102140032410341
6245112242045301
721626212500244
oct3151305232545
9701567877661
10220303013221
1185480342575
1236843049831
1317a0b70b275
14a93c72295b
155ae5ae6d31
hex334b153565

220303013221 has 4 divisors (see below), whose sum is σ = 221984715744. Its totient is φ = 218621310700.

The previous prime is 220303013201. The next prime is 220303013239. The reversal of 220303013221 is 122310303022.

220303013221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 220303013221 - 219 = 220302488933 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 (220303013201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840851065 + ... + 840851326.

It is an arithmetic number, because the mean of its divisors is an integer number (55496178936).

Almost surely, 2220303013221 is an apocalyptic number.

It is an amenable number.

220303013221 is a deficient number, since it is larger than the sum of its proper divisors (1681702523).

220303013221 is a wasteful number, since it uses less digits than its factorization.

220303013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681702522.

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

Adding to 220303013221 its reverse (122310303022), we get a palindrome (342613316243).

The spelling of 220303013221 in words is "two hundred twenty billion, three hundred three million, thirteen thousand, two hundred twenty-one".

Divisors: 1 131 1681702391 220303013221