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4991002211 = 131572445371
BaseRepresentation
bin1001010010111110…
…01010011001100011
3110212211110011220202
410221133022121203
540210144032321
62143130255415
7234452550566
oct45137123143
913784404822
104991002211
112131321918
12b7358756b
1361702b260
14354bdc4dd
151e327a70b
hex1297ca663

4991002211 has 8 divisors (see below), whose sum is σ = 5409162864. Its totient is φ = 4577732640.

The previous prime is 4991002169. The next prime is 4991002243. The reversal of 4991002211 is 1122001994.

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

It is not a de Polignac number, because 4991002211 - 222 = 4986807907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4991002111) 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 7 ways as a sum of consecutive naturals, for example, 1220645 + ... + 1224726.

It is an arithmetic number, because the mean of its divisors is an integer number (676145358).

Almost surely, 24991002211 is an apocalyptic number.

4991002211 is a deficient number, since it is larger than the sum of its proper divisors (418160653).

4991002211 is a wasteful number, since it uses less digits than its factorization.

4991002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445541.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 4991002211 is about 70647.0254929392. The cubic root of 4991002211 is about 1708.9495972544.

The spelling of 4991002211 in words is "four billion, nine hundred ninety-one million, two thousand, two hundred eleven".

Divisors: 1 13 157 2041 2445371 31789823 383923247 4991002211