Search a number
-
+
2158895863159 = 71916232299723
BaseRepresentation
bin11111011010101000001…
…110001001010101110111
321122101111011110000221221
4133122220032021111313
5240332404320110114
64331441050451211
7311655311025310
oct37325016112567
97571434400857
102158895863159
11762645483662
122aa4a9a33b07
13128776b32389
14766c38a9607
153b257a68524
hex1f6a8389577

2158895863159 has 8 divisors (see below), whose sum is σ = 2597167955840. Its totient is φ = 1753088369976.

The previous prime is 2158895863127. The next prime is 2158895863171. The reversal of 2158895863159 is 9513685988512.

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

It is a cyclic number.

It is not a de Polignac number, because 2158895863159 - 25 = 2158895863127 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 (2158895863459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8116149729 + ... + 8116149994.

It is an arithmetic number, because the mean of its divisors is an integer number (324645994480).

Almost surely, 22158895863159 is an apocalyptic number.

2158895863159 is a deficient number, since it is larger than the sum of its proper divisors (438272092681).

2158895863159 is a wasteful number, since it uses less digits than its factorization.

2158895863159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16232299749.

The product of its digits is 186624000, while the sum is 70.

The spelling of 2158895863159 in words is "two trillion, one hundred fifty-eight billion, eight hundred ninety-five million, eight hundred sixty-three thousand, one hundred fifty-nine".

Divisors: 1 7 19 133 16232299723 113626098061 308413694737 2158895863159