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10273681491 = 329532228081
BaseRepresentation
bin10011001000101101…
…11111000001010011
3222111222202002112220
421210112333001103
5132020030301431
64415240352123
7512406565113
oct114426770123
928458662486
1010273681491
1143a2252a67
121ba8775643
13c79601b98
146d6645043
15401e1db96
hex2645bf053

10273681491 has 16 divisors (see below), whose sum is σ = 14437971360. Its totient is φ = 6488168960.

The previous prime is 10273681489. The next prime is 10273681529. The reversal of 10273681491 is 19418637201.

It is a happy number.

10273681491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10273681491 - 21 = 10273681489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10273681421) 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 15 ways as a sum of consecutive naturals, for example, 1109430 + ... + 1118651.

It is an arithmetic number, because the mean of its divisors is an integer number (902373210).

Almost surely, 210273681491 is an apocalyptic number.

10273681491 is a deficient number, since it is larger than the sum of its proper divisors (4164289869).

10273681491 is a wasteful number, since it uses less digits than its factorization.

10273681491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228166.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 10273681491 in words is "ten billion, two hundred seventy-three million, six hundred eighty-one thousand, four hundred ninety-one".

Divisors: 1 3 29 53 87 159 1537 4611 2228081 6684243 64614349 118088293 193843047 354264879 3424560497 10273681491