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11886490207 is a prime number
BaseRepresentation
bin10110001000111110…
…10111001001011111
31010200101112021012001
423010133113021133
5143320420141312
65243252423131
7600362333254
oct130437271137
933611467161
1011886490207
11504a683029
122378917aa7
1311757a0a77
1480a91142b
154987ed057
hex2c47d725f

11886490207 has 2 divisors, whose sum is σ = 11886490208. Its totient is φ = 11886490206.

The previous prime is 11886490199. The next prime is 11886490261. The reversal of 11886490207 is 70209468811.

It is a weak prime.

It is an emirp because it is prime and its reverse (70209468811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11886490207 - 23 = 11886490199 is a prime.

It is a super-2 number, since 2×118864902072 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11886490267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943245103 + 5943245104.

It is an arithmetic number, because the mean of its divisors is an integer number (5943245104).

Almost surely, 211886490207 is an apocalyptic number.

11886490207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11886490207 is an equidigital number, since it uses as much as digits as its factorization.

11886490207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 11886490207 in words is "eleven billion, eight hundred eighty-six million, four hundred ninety thousand, two hundred seven".