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4991352469 = 71313224603
BaseRepresentation
bin1001010011000000…
…11111111010010101
3110212212002222101021
410221200133322111
540210241234334
62143142001141
7234455540005
oct45140377225
913785088337
104991352469
112131540a94
12b737161b1
136171217cc
14354c90005
151e32e93b4
hex12981fe95

4991352469 has 8 divisors (see below), whose sum is σ = 5077847232. Its totient is φ = 4905307680.

The previous prime is 4991352467. The next prime is 4991352523. The reversal of 4991352469 is 9642531994.

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 4991352469 - 21 = 4991352467 is a prime.

It is a super-2 number, since 2×49913524692 = 49827198939584791922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991352467) 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, 90079 + ... + 134524.

It is an arithmetic number, because the mean of its divisors is an integer number (634730904).

Almost surely, 24991352469 is an apocalyptic number.

It is an amenable number.

4991352469 is a deficient number, since it is larger than the sum of its proper divisors (86494763).

4991352469 is a wasteful number, since it uses less digits than its factorization.

4991352469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224987.

The product of its digits is 2099520, while the sum is 52.

The square root of 4991352469 is about 70649.5043790117. The cubic root of 4991352469 is about 1708.9895731444.

The spelling of 4991352469 in words is "four billion, nine hundred ninety-one million, three hundred fifty-two thousand, four hundred sixty-nine".

Divisors: 1 71 313 22223 224603 15946813 70300739 4991352469