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8143593290 = 257971199351
BaseRepresentation
bin1111001010110010…
…10101111101001010
3210000112121101212022
413211121111331022
5113134224441130
63424025244442
7405543254330
oct74531257512
923015541768
108143593290
1134a9934198
1216b3333722
139ca20ab71
145737a5b50
15329e117e5
hex1e5655f4a

8143593290 has 32 divisors (see below), whose sum is σ = 16925255424. Its totient is φ = 2763302400.

The previous prime is 8143593281. The next prime is 8143593301. The reversal of 8143593290 is 923953418.

It is a super-2 number, since 2×81435932902 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592886 + ... + 606465.

It is an arithmetic number, because the mean of its divisors is an integer number (528914232).

Almost surely, 28143593290 is an apocalyptic number.

8143593290 is an abundant number, since it is smaller than the sum of its proper divisors (8781662134).

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

8143593290 is a wasteful number, since it uses less digits than its factorization.

8143593290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199462.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 8143593290 is about 90241.8599653176. The cubic root of 8143593290 is about 2011.8952191203.

The spelling of 8143593290 in words is "eight billion, one hundred forty-three million, five hundred ninety-three thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 97 194 485 679 970 1358 3395 6790 1199351 2398702 5996755 8395457 11993510 16790914 41977285 83954570 116337047 232674094 581685235 814359329 1163370470 1628718658 4071796645 8143593290