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8054206871 = 83113858749
BaseRepresentation
bin1111000000001000…
…10111000110010111
3202210022102002202012
413200010113012113
5112443334104441
63411113334435
7403406425454
oct74004270627
922708362665
108054206871
113463431917
12168940741b
139b48422a9
1456597882b
153221569eb
hex1e0117197

8054206871 has 8 divisors (see below), whose sum is σ = 8223390000. Its totient is φ = 7886741632.

The previous prime is 8054206819. The next prime is 8054206883. The reversal of 8054206871 is 1786024508.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8054206871 is a prime.

It is a super-2 number, since 2×80542068712 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8054206471) 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, 419996 + ... + 438753.

It is an arithmetic number, because the mean of its divisors is an integer number (1027923750).

Almost surely, 28054206871 is an apocalyptic number.

8054206871 is a deficient number, since it is larger than the sum of its proper divisors (169183129).

8054206871 is a wasteful number, since it uses less digits than its factorization.

8054206871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858945.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 8054206871 is about 89745.2331380336. The cubic root of 8054206871 is about 2004.5070747589.

The spelling of 8054206871 in words is "eight billion, fifty-four million, two hundred six thousand, eight hundred seventy-one".

Divisors: 1 83 113 9379 858749 71276167 97038637 8054206871