Search a number
-
+
1836853870219 is a prime number
BaseRepresentation
bin11010101110101101000…
…001011011111010001011
320111121020111121202020221
4122232231001123322023
5220043334042321334
63523501121130511
7246464644165564
oct32565501337213
96447214552227
101836853870219
11649007139875
12257bb2789a37
131042a356aac4
1464c931b516b
1532baa2338b4
hex1abad05be8b

1836853870219 has 2 divisors, whose sum is σ = 1836853870220. Its totient is φ = 1836853870218.

The previous prime is 1836853870199. The next prime is 1836853870223. The reversal of 1836853870219 is 9120783586381.

It is a strong prime.

It is an emirp because it is prime and its reverse (9120783586381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1836853870219 - 221 = 1836851773067 is a prime.

It is a super-2 number, since 2×18368538702192 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1836853870249) 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 as a sum of consecutive naturals, namely, 918426935109 + 918426935110.

It is an arithmetic number, because the mean of its divisors is an integer number (918426935110).

Almost surely, 21836853870219 is an apocalyptic number.

1836853870219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1836853870219 is an equidigital number, since it uses as much as digits as its factorization.

1836853870219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 61.

It can be divided in two parts, 1836853 and 870219, that added together give a palindrome (2707072).

The spelling of 1836853870219 in words is "one trillion, eight hundred thirty-six billion, eight hundred fifty-three million, eight hundred seventy thousand, two hundred nineteen".