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2143027194 = 237114638587
BaseRepresentation
bin111111110111011…
…1111111111111010
312112100111001122120
41333232333333322
513342103332234
6552352302110
7104051300460
oct17756777772
95470431576
102143027194
119aa757060
124b9841936
13281ca4539
1416488a830
15c8216049
hex7fbbfffa

2143027194 has 32 divisors (see below), whose sum is σ = 5343653376. Its totient is φ = 556630320.

The previous prime is 2143027177. The next prime is 2143027223. The reversal of 2143027194 is 4917203412.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2318832 + ... + 2319755.

It is an arithmetic number, because the mean of its divisors is an integer number (166989168).

Almost surely, 22143027194 is an apocalyptic number.

2143027194 is an abundant number, since it is smaller than the sum of its proper divisors (3200626182).

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

2143027194 is a wasteful number, since it uses less digits than its factorization.

2143027194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638610.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2143027194 is about 46292.8417144595. The cubic root of 2143027194 is about 1289.2660917675.

The spelling of 2143027194 in words is "two billion, one hundred forty-three million, twenty-seven thousand, one hundred ninety-four".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 4638587 9277174 13915761 27831522 32470109 51024457 64940218 97410327 102048914 153073371 194820654 306146742 357171199 714342398 1071513597 2143027194