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8025730138 = 213591295259
BaseRepresentation
bin1110111100101111…
…01110110001011010
3202201022211100000101
413132113232301122
5112414041331023
63404215130014
7402612403066
oct73627566132
922638740011
108025730138
113449351928
12167b97390a
139ab98175a
14561c84aa6
1531e8ce1ad
hex1de5eec5a

8025730138 has 8 divisors (see below), whose sum is σ = 12039521760. Its totient is φ = 4012556220.

The previous prime is 8025730129. The next prime is 8025730183. The reversal of 8025730138 is 8310375208.

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

It is a junction number, because it is equal to n+sod(n) for n = 8025730097 and 8025730106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120448 + ... + 174811.

It is an arithmetic number, because the mean of its divisors is an integer number (1504940220).

Almost surely, 28025730138 is an apocalyptic number.

8025730138 is a deficient number, since it is larger than the sum of its proper divisors (4013791622).

8025730138 is a wasteful number, since it uses less digits than its factorization.

8025730138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308852.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8025730138 is about 89586.4394760725. The cubic root of 8025730138 is about 2002.1418835153.

The spelling of 8025730138 in words is "eight billion, twenty-five million, seven hundred thirty thousand, one hundred thirty-eight".

Divisors: 1 2 13591 27182 295259 590518 4012865069 8025730138