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8081403558 = 231346900593
BaseRepresentation
bin1111000011011000…
…00110111010100110
3202212012120211120220
413201230012322212
5113022314403213
63413524305210
7404156540214
oct74154067246
922765524526
108081403558
113477818118
121696542206
139ba3752c7
14569417cb4
15324729e23
hex1e1b06ea6

8081403558 has 8 divisors (see below), whose sum is σ = 16162807128. Its totient is φ = 2693801184.

The previous prime is 8081403557. The next prime is 8081403563. The reversal of 8081403558 is 8553041808.

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

8081403558 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8081403557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 673450291 + ... + 673450302.

It is an arithmetic number, because the mean of its divisors is an integer number (2020350891).

Almost surely, 28081403558 is an apocalyptic number.

8081403558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8081403558 is a wasteful number, since it uses less digits than its factorization.

8081403558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346900598.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 8081403558 is about 89896.6270668705. The cubic root of 8081403558 is about 2006.7607502101.

The spelling of 8081403558 in words is "eight billion, eighty-one million, four hundred three thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 1346900593 2693801186 4040701779 8081403558