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40803050891 = 100949198221
BaseRepresentation
bin100110000000000011…
…010010010110001011
310220022122010202020002
4212000003102112023
51132031040112031
630424502553215
72643065132021
oct460003222613
9126278122202
1040803050891
1116339293069
127aa8a3880b
133b03562cc5
141d910cc711
1510dc262ccb
hex9800d258b

40803050891 has 8 divisors (see below), whose sum is σ = 40856762400. Its totient is φ = 40749367680.

The previous prime is 40803050881. The next prime is 40803050929. The reversal of 40803050891 is 19805030804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40803050891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40803050851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4959161 + ... + 4967381.

It is an arithmetic number, because the mean of its divisors is an integer number (5107095300).

Almost surely, 240803050891 is an apocalyptic number.

40803050891 is a deficient number, since it is larger than the sum of its proper divisors (53711509).

40803050891 is a wasteful number, since it uses less digits than its factorization.

40803050891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14149.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 40803050891 in words is "forty billion, eight hundred three million, fifty thousand, eight hundred ninety-one".

Divisors: 1 1009 4919 8221 4963271 8294989 40439099 40803050891