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2140557359 = 17911958421
BaseRepresentation
bin111111110010110…
…0101000000101111
312112011211120200012
41333211211000233
513340440313414
6552223323435
7104021303003
oct17745450057
95464746605
102140557359
119a931a476
124b8a5057b
1328161b2b5
14164406703
15c7dc933e
hex7f96502f

2140557359 has 4 divisors (see below), whose sum is σ = 2152515960. Its totient is φ = 2128598760.

The previous prime is 2140557343. The next prime is 2140557371. The reversal of 2140557359 is 9537550412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2140557359 - 24 = 2140557343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140557389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5979032 + ... + 5979389.

It is an arithmetic number, because the mean of its divisors is an integer number (538128990).

Almost surely, 22140557359 is an apocalyptic number.

2140557359 is a deficient number, since it is larger than the sum of its proper divisors (11958601).

2140557359 is a wasteful number, since it uses less digits than its factorization.

2140557359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11958600.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 2140557359 is about 46266.1578154054. The cubic root of 2140557359 is about 1288.7706090844.

The spelling of 2140557359 in words is "two billion, one hundred forty million, five hundred fifty-seven thousand, three hundred fifty-nine".

Divisors: 1 179 11958421 2140557359