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2001224051 = 67311532579
BaseRepresentation
bin111011101001000…
…0100000101110011
312011110122201022022
41313102010011303
513044303132201
6530325102055
7100410060311
oct16722040563
95143581268
102001224051
11937703282
1247a25792b
1325b7b5558
1414dad70b1
15baa5541b
hex77484173

2001224051 has 8 divisors (see below), whose sum is σ = 2006713680. Its totient is φ = 1995743232.

The previous prime is 2001224047. The next prime is 2001224059. The reversal of 2001224051 is 1504221002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001224051 - 22 = 2001224047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001224059) 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, 774680 + ... + 777258.

It is an arithmetic number, because the mean of its divisors is an integer number (250839210).

Almost surely, 22001224051 is an apocalyptic number.

2001224051 is a deficient number, since it is larger than the sum of its proper divisors (5489629).

2001224051 is a wasteful number, since it uses less digits than its factorization.

2001224051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2001224051 is about 44735.0427629169. The cubic root of 2001224051 is about 1260.1780320790.

Adding to 2001224051 its reverse (1504221002), we get a palindrome (3505445053).

The spelling of 2001224051 in words is "two billion, one million, two hundred twenty-four thousand, fifty-one".

Divisors: 1 673 1153 2579 775969 1735667 2973587 2001224051