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4991541070 = 251249399643
BaseRepresentation
bin1001010011000010…
…01101111101001110
3110212212110120002111
410221201031331032
540210313303240
62143150014234
7234460253605
oct45141157516
913785416074
104991541070
11213165a75a
12b737a737a
136171895c9
14354cdca3c
151e33351ea
hex12984df4e

4991541070 has 16 divisors (see below), whose sum is σ = 8991990000. Its totient is φ = 1995012864.

The previous prime is 4991541031. The next prime is 4991541089. The reversal of 4991541070 is 701451994.

It is a congruent number.

It is an unprimeable number.

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, 187332 + ... + 212311.

It is an arithmetic number, because the mean of its divisors is an integer number (561999375).

Almost surely, 24991541070 is an apocalyptic number.

4991541070 is a deficient number, since it is larger than the sum of its proper divisors (4000448930).

4991541070 is a wasteful number, since it uses less digits than its factorization.

4991541070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400899.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 4991541070 is about 70650.8391316055. The cubic root of 4991541070 is about 1709.0110979104.

The spelling of 4991541070 in words is "four billion, nine hundred ninety-one million, five hundred forty-one thousand, seventy".

Divisors: 1 2 5 10 1249 2498 6245 12490 399643 799286 1998215 3996430 499154107 998308214 2495770535 4991541070