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8130658285 = 52663610639
BaseRepresentation
bin1111001001001111…
…11111111111101101
3202222122021020101001
413210213333333231
5113122422031120
63422444120301
7405325312051
oct74447777755
922878236331
108130658285
1134a25a9a02
1216aab36091
139c762c409
14571b99c61
15328c08e0a
hex1e49fffed

8130658285 has 8 divisors (see below), whose sum is σ = 9760469760. Its totient is φ = 6502073424.

The previous prime is 8130658247. The next prime is 8130658343. The reversal of 8130658285 is 5828560318.

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 8130658285 - 223 = 8122269677 is a prime.

It is a super-2 number, since 2×81306582852 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292005 + ... + 318634.

It is an arithmetic number, because the mean of its divisors is an integer number (1220058720).

Almost surely, 28130658285 is an apocalyptic number.

It is an amenable number.

8130658285 is a deficient number, since it is larger than the sum of its proper divisors (1629811475).

8130658285 is a wasteful number, since it uses less digits than its factorization.

8130658285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613307.

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 8130658285 is about 90170.1629420730. The cubic root of 8130658285 is about 2010.8294461280.

The spelling of 8130658285 in words is "eight billion, one hundred thirty million, six hundred fifty-eight thousand, two hundred eighty-five".

Divisors: 1 5 2663 13315 610639 3053195 1626131657 8130658285