Search a number
-
+
1112201201987 is a prime number
BaseRepresentation
bin10000001011110100010…
…110111000100101000011
310221022210012210001022122
4100023310112320211003
5121210242001430422
62210534351354455
7143232245143001
oct20136426704503
93838705701278
101112201201987
113997556466a7
1215b675b22a2b
1380b59828215
143bb8badba71
151dde6c16d42
hex102f45b8943

1112201201987 has 2 divisors, whose sum is σ = 1112201201988. Its totient is φ = 1112201201986.

The previous prime is 1112201201983. The next prime is 1112201202031. The reversal of 1112201201987 is 7891021022111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112201201987 - 22 = 1112201201983 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112201201983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556100600993 + 556100600994.

It is an arithmetic number, because the mean of its divisors is an integer number (556100600994).

Almost surely, 21112201201987 is an apocalyptic number.

1112201201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112201201987 is an equidigital number, since it uses as much as digits as its factorization.

1112201201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 1112201201987 in words is "one trillion, one hundred twelve billion, two hundred one million, two hundred one thousand, nine hundred eighty-seven".