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6866504093 = 53886114621
BaseRepresentation
bin1100110010100011…
…01000100110011101
3122201112112112211102
412121101220212131
5103030311112333
63053205002445
7332105215241
oct63121504635
918645475742
106866504093
112a03a65179
1213b76b3425
13855765197
14491d2a421
152a2c49ae8
hex19946899d

6866504093 has 8 divisors (see below), whose sum is σ = 6997328856. Its totient is φ = 6735726400.

The previous prime is 6866504077. The next prime is 6866504129. The reversal of 6866504093 is 3904056686.

It can be written as a sum of positive squares in 4 ways, for example, as 1352253529 + 5514250564 = 36773^2 + 74258^2 .

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 6866504093 - 24 = 6866504077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6866504023) 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, 462323 + ... + 476943.

It is an arithmetic number, because the mean of its divisors is an integer number (874666107).

Almost surely, 26866504093 is an apocalyptic number.

It is an amenable number.

6866504093 is a deficient number, since it is larger than the sum of its proper divisors (130824763).

6866504093 is a wasteful number, since it uses less digits than its factorization.

6866504093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23535.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 6866504093 is about 82864.3716744416. The cubic root of 6866504093 is about 1900.6926461720.

The spelling of 6866504093 in words is "six billion, eight hundred sixty-six million, five hundred four thousand, ninety-three".

Divisors: 1 53 8861 14621 469633 774913 129556681 6866504093