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8148560081563 = 114171254475503
BaseRepresentation
bin111011010010011110000…
…0001110111001010011011
31001211222212011101110222101
41312210330001313022123
52032001222340102223
625155221414104231
71500466625606446
oct166447401671233
931758764343871
108148560081563
11266186a808350
12ab72b434b077
13471537a59475
1420256caca65d
15e1e694174ad
hex7693c07729b

8148560081563 has 16 divisors (see below), whose sum is σ = 9234407089152. Its totient is φ = 7125314056000.

The previous prime is 8148560081537. The next prime is 8148560081587. The reversal of 8148560081563 is 3651800658418.

It is a de Polignac number, because none of the positive numbers 2k-8148560081563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8148560081533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127205731 + ... + 127269772.

It is an arithmetic number, because the mean of its divisors is an integer number (577150443072).

Almost surely, 28148560081563 is an apocalyptic number.

8148560081563 is a deficient number, since it is larger than the sum of its proper divisors (1085847007589).

8148560081563 is a wasteful number, since it uses less digits than its factorization.

8148560081563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254475626.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 8148560081563 in words is "eight trillion, one hundred forty-eight billion, five hundred sixty million, eighty-one thousand, five hundred sixty-three".

Divisors: 1 11 41 71 451 781 2911 32021 254475503 2799230533 10433495623 18067760713 114768451853 198745367843 740778189233 8148560081563