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2143041292 = 22776537189
BaseRepresentation
bin111111110111100…
…0011011100001100
312112100111202222201
41333233003130030
513342104310132
6552352451244
7104051356540
oct17757033414
95470452881
102143041292
119aa766707
124b9849b24
13281caaa92
14164891a20
15c821a2e7
hex7fbc370c

2143041292 has 12 divisors (see below), whose sum is σ = 4286082640. Its totient is φ = 918446256.

The previous prime is 2143041239. The next prime is 2143041317. The reversal of 2143041292 is 2921403412.

2143041292 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 76537189 = 2143041292 / (2 + 1 + 4 + 3 + 0 + 4 + 1 + 2 + 9 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 2143041292.

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 3 ways as a sum of consecutive naturals, for example, 38268567 + ... + 38268622.

Almost surely, 22143041292 is an apocalyptic number.

It is an amenable number.

2143041292 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.

2143041292 is a wasteful number, since it uses less digits than its factorization.

2143041292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76537200 (or 76537198 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2143041292 is about 46292.9939839713. The cubic root of 2143041292 is about 1289.2689189261.

The spelling of 2143041292 in words is "two billion, one hundred forty-three million, forty-one thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 76537189 153074378 306148756 535760323 1071520646 2143041292