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112191622381 is a prime number
BaseRepresentation
bin110100001111100100…
…1000100110011101101
3101201120211022221002101
41220133021010303231
53314232023404011
6123312355455101
711051133025036
oct1503711046355
9351524287071
10112191622381
1143642278483
12198b08b7491
13a76c587297
1456042bda8d
152db970c2c1
hex1a1f244ced

112191622381 has 2 divisors, whose sum is σ = 112191622382. Its totient is φ = 112191622380.

The previous prime is 112191622331. The next prime is 112191622391. The reversal of 112191622381 is 183226191211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99010286281 + 13181336100 = 314659^2 + 114810^2 .

It is a cyclic number.

It is not a de Polignac number, because 112191622381 - 215 = 112191589613 is a prime.

It is a super-2 number, since 2×1121916223812 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112191622381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112191622331) 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, 56095811190 + 56095811191.

It is an arithmetic number, because the mean of its divisors is an integer number (56095811191).

Almost surely, 2112191622381 is an apocalyptic number.

It is an amenable number.

112191622381 is a deficient number, since it is larger than the sum of its proper divisors (1).

112191622381 is an equidigital number, since it uses as much as digits as its factorization.

112191622381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 37.

The spelling of 112191622381 in words is "one hundred twelve billion, one hundred ninety-one million, six hundred twenty-two thousand, three hundred eighty-one".