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2213662043 = 3171408453
BaseRepresentation
bin1000001111110001…
…1100110101011011
312201021101200110002
42003330130311123
514013144141133
61003354243215
7105566550125
oct20374346533
95637350402
102213662043
11a3661106a
1251942650b
13293805cc8
1416ddd6215
15ce519ce8
hex83f1cd5b

2213662043 has 4 divisors (see below), whose sum is σ = 2285070528. Its totient is φ = 2142253560.

The previous prime is 2213662027. The next prime is 2213662079. The reversal of 2213662043 is 3402663122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3402663122 = 21701331561.

It is a cyclic number.

It is not a de Polignac number, because 2213662043 - 24 = 2213662027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213661997 and 2213662015.

It is not an unprimeable number, because it can be changed into a prime (2213662093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35704196 + ... + 35704257.

It is an arithmetic number, because the mean of its divisors is an integer number (571267632).

Almost surely, 22213662043 is an apocalyptic number.

2213662043 is a deficient number, since it is larger than the sum of its proper divisors (71408485).

2213662043 is an equidigital number, since it uses as much as digits as its factorization.

2213662043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71408484.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2213662043 is about 47049.5700617976. The cubic root of 2213662043 is about 1303.2781258280.

The spelling of 2213662043 in words is "two billion, two hundred thirteen million, six hundred sixty-two thousand, forty-three".

Divisors: 1 31 71408453 2213662043