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8713306985 = 514871171931
BaseRepresentation
bin10000001110101101…
…01000001101101001
3211111020121212010112
420013112220031221
5120321101310420
64000340224105
7425631613235
oct100726501551
924436555115
108713306985
113771486559
12183209b035
13a8b261366
145c93075c5
1535ee4a8c5
hex2075a8369

8713306985 has 8 divisors (see below), whose sum is σ = 10463008896. Its totient is φ = 6965951920.

The previous prime is 8713306981. The next prime is 8713306991. The reversal of 8713306985 is 5896033178.

It is a happy number.

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

It is not a de Polignac number, because 8713306985 - 22 = 8713306981 is a prime.

It is a super-2 number, since 2×87133069852 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8713306981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578531 + ... + 593400.

It is an arithmetic number, because the mean of its divisors is an integer number (1307876112).

Almost surely, 28713306985 is an apocalyptic number.

It is an amenable number.

8713306985 is a deficient number, since it is larger than the sum of its proper divisors (1749701911).

8713306985 is a wasteful number, since it uses less digits than its factorization.

8713306985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173423.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 8713306985 is about 93345.0962022109. The cubic root of 8713306985 is about 2057.7581878048.

The spelling of 8713306985 in words is "eight billion, seven hundred thirteen million, three hundred six thousand, nine hundred eighty-five".

Divisors: 1 5 1487 7435 1171931 5859655 1742661397 8713306985