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8140486067 = 71162926581
BaseRepresentation
bin1111001010011010…
…11111010110110011
3210000022202112112222
413211031133112303
5113132431023232
63423434511255
7405504663350
oct74515372663
923008675488
108140486067
1134a810173a
1216b229552b
139c969077c
145731d7627
153299ead12
hex1e535f5b3

8140486067 has 4 divisors (see below), whose sum is σ = 9303412656. Its totient is φ = 6977559480.

The previous prime is 8140486031. The next prime is 8140486099. The reversal of 8140486067 is 7606840418.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8140486067 - 210 = 8140485043 is a prime.

It is a super-2 number, since 2×81404860672 (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 (8140486007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581463284 + ... + 581463297.

It is an arithmetic number, because the mean of its divisors is an integer number (2325853164).

Almost surely, 28140486067 is an apocalyptic number.

8140486067 is a deficient number, since it is larger than the sum of its proper divisors (1162926589).

8140486067 is a wasteful number, since it uses less digits than its factorization.

8140486067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162926588.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 8140486067 is about 90224.6422381380. The cubic root of 8140486067 is about 2011.6393041481.

The spelling of 8140486067 in words is "eight billion, one hundred forty million, four hundred eighty-six thousand, sixty-seven".

Divisors: 1 7 1162926581 8140486067