Search a number
-
+
112103321381 is a prime number
BaseRepresentation
bin110100001100111100…
…0001110111100100101
3101201100200011202212222
41220121320032330211
53314041422241011
6123255523122125
711046011336522
oct1503170167445
9351320152788
10112103321381
11435a7447647
1219887213345
13a7571ab77c
1455d6696149
152db1ab8ddb
hex1a19e0ef25

112103321381 has 2 divisors, whose sum is σ = 112103321382. Its totient is φ = 112103321380.

The previous prime is 112103321377. The next prime is 112103321431. The reversal of 112103321381 is 183123301211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105410608900 + 6692712481 = 324670^2 + 81809^2 .

It is a cyclic number.

It is not a de Polignac number, because 112103321381 - 22 = 112103321377 is a prime.

It is a super-2 number, since 2×1121033213812 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112103321381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112103321581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56051660690 + 56051660691.

It is an arithmetic number, because the mean of its divisors is an integer number (56051660691).

Almost surely, 2112103321381 is an apocalyptic number.

It is an amenable number.

112103321381 is a deficient number, since it is larger than the sum of its proper divisors (1).

112103321381 is an equidigital number, since it uses as much as digits as its factorization.

112103321381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 112103321381 its reverse (183123301211), we get a palindrome (295226622592).

The spelling of 112103321381 in words is "one hundred twelve billion, one hundred three million, three hundred twenty-one thousand, three hundred eighty-one".