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2213043242 = 21106521621
BaseRepresentation
bin1000001111101000…
…0101110000101010
312201020020020121112
42003322011300222
514013014340432
61003333110322
7105561362054
oct20372056052
95636206545
102213043242
11a36229163
125191883a2
1329364a457
1416dcb48d4
15ce4467b2
hex83e85c2a

2213043242 has 4 divisors (see below), whose sum is σ = 3319564866. Its totient is φ = 1106521620.

The previous prime is 2213043227. The next prime is 2213043251. The reversal of 2213043242 is 2423403122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2012509321 + 200533921 = 44861^2 + 14161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553260809 + ... + 553260812.

Almost surely, 22213043242 is an apocalyptic number.

2213043242 is a deficient number, since it is larger than the sum of its proper divisors (1106521624).

2213043242 is a wasteful number, since it uses less digits than its factorization.

2213043242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106521623.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2213043242 is about 47042.9935484552. The cubic root of 2213043242 is about 1303.1566762496.

Adding to 2213043242 its reverse (2423403122), we get a palindrome (4636446364).

The spelling of 2213043242 in words is "two billion, two hundred thirteen million, forty-three thousand, two hundred forty-two".

Divisors: 1 2 1106521621 2213043242