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1890382135159 = 71715885564161
BaseRepresentation
bin11011100000100011100…
…011100011111101110111
320200201101222111100111001
4123200203203203331313
5221433000311311114
64004232441424131
7253401301012210
oct33404343437567
96621358440431
101890382135159
11669785484561
1226645119b047
1310935429245b
14676d0340407
153428e71a374
hex1b8238e3f77

1890382135159 has 8 divisors (see below), whose sum is σ = 2287521239328. Its totient is φ = 1525014159360.

The previous prime is 1890382135133. The next prime is 1890382135181. The reversal of 1890382135159 is 9515312830981.

It is a happy number.

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 1890382135159 - 25 = 1890382135127 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 (1890382135189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7942781962 + ... + 7942782199.

It is an arithmetic number, because the mean of its divisors is an integer number (285940154916).

Almost surely, 21890382135159 is an apocalyptic number.

1890382135159 is a deficient number, since it is larger than the sum of its proper divisors (397139104169).

1890382135159 is a wasteful number, since it uses less digits than its factorization.

1890382135159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15885564185.

The product of its (nonzero) digits is 2332800, while the sum is 55.

The spelling of 1890382135159 in words is "one trillion, eight hundred ninety billion, three hundred eighty-two million, one hundred thirty-five thousand, one hundred fifty-nine".

Divisors: 1 7 17 119 15885564161 111198949127 270054590737 1890382135159