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2213505233 = 4315135743
BaseRepresentation
bin1000001111101111…
…0110100011010001
312201021002201100022
42003323312203101
514013124131413
61003351033225
7105565325012
oct20373664321
95637081308
102213505233
11a36514275
1251936b815
1329377c814
1416dd95009
15ce4d8608
hex83ef68d1

2213505233 has 4 divisors (see below), whose sum is σ = 2218641408. Its totient is φ = 2208369060.

The previous prime is 2213505191. The next prime is 2213505241. The reversal of 2213505233 is 3325053122.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3325053122 = 21662526561.

It is a cyclic number.

It is not a de Polignac number, because 2213505233 - 220 = 2212456657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213505293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567441 + ... + 2568302.

It is an arithmetic number, because the mean of its divisors is an integer number (554660352).

Almost surely, 22213505233 is an apocalyptic number.

It is an amenable number.

2213505233 is a deficient number, since it is larger than the sum of its proper divisors (5136175).

2213505233 is an equidigital number, since it uses as much as digits as its factorization.

2213505233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136174.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2213505233 is about 47047.9035983539. The cubic root of 2213505233 is about 1303.2473515025.

Adding to 2213505233 its reverse (3325053122), we get a palindrome (5538558355).

The spelling of 2213505233 in words is "two billion, two hundred thirteen million, five hundred five thousand, two hundred thirty-three".

Divisors: 1 431 5135743 2213505233