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8004081378 = 234792784997
BaseRepresentation
bin1110111010001010…
…01001011011100010
3202122211002110111110
413131011021123202
5112343021101003
63402123124150
7402230366136
oct73505113342
922584073443
108004081378
113438105897
121674673656
139a7341a37
1455d04b3c6
1531ca54a03
hex1dd1496e2

8004081378 has 16 divisors (see below), whose sum is σ = 16041588480. Its totient is φ = 2662456176.

The previous prime is 8004081353. The next prime is 8004081413. The reversal of 8004081378 is 8731804008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389625 + ... + 1395372.

It is an arithmetic number, because the mean of its divisors is an integer number (1002599280).

Almost surely, 28004081378 is an apocalyptic number.

8004081378 is an abundant number, since it is smaller than the sum of its proper divisors (8037507102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8004081378 is a wasteful number, since it uses less digits than its factorization.

8004081378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785481.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 8004081378 is about 89465.5317873873. The cubic root of 8004081378 is about 2000.3400570107.

The spelling of 8004081378 in words is "eight billion, four million, eighty-one thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 479 958 1437 2874 2784997 5569994 8354991 16709982 1334013563 2668027126 4002040689 8004081378