Search a number
-
+
1881442071367 = 50111786321019
BaseRepresentation
bin11011011000001110101…
…011111011001101000111
320122212022221012001111021
4123120032223323031013
5221311143132240432
64000153401052011
7252633613511245
oct33301653731507
96585287161437
101881442071367
11665a08000291
12264777187007
1310855b069091
14670c2c8b795
1533e1992c697
hex1b60eafb347

1881442071367 has 8 divisors (see below), whose sum is σ = 1882012415360. Its totient is φ = 1880871815160.

The previous prime is 1881442071349. The next prime is 1881442071389. The reversal of 1881442071367 is 7631702441881.

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 1881442071367 - 223 = 1881433682759 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 (1881442071667) 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, 89500984 + ... + 89522002.

It is an arithmetic number, because the mean of its divisors is an integer number (235251551920).

Almost surely, 21881442071367 is an apocalyptic number.

1881442071367 is a deficient number, since it is larger than the sum of its proper divisors (570343993).

1881442071367 is a wasteful number, since it uses less digits than its factorization.

1881442071367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43893.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 1881442071367 in words is "one trillion, eight hundred eighty-one billion, four hundred forty-two million, seventy-one thousand, three hundred sixty-seven".

Divisors: 1 5011 17863 21019 89511493 105326209 375462397 1881442071367