Search a number
-
+
11021200199 = 50047220217
BaseRepresentation
bin10100100001110101…
…00010101101000111
31001110002022222102222
422100322202231013
5140032411401244
65021342322555
7540054441002
oct122072425507
931402288388
1011021200199
1147461a8919
122176b8945b
13106843b149
14767a2c539
1544787abee
hex290ea2b47

11021200199 has 4 divisors (see below), whose sum is σ = 11021470464. Its totient is φ = 11020929936.

The previous prime is 11021200171. The next prime is 11021200213. The reversal of 11021200199 is 99100212011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99100212011 = 442122415791.

It is a cyclic number.

It is not a de Polignac number, because 11021200199 - 212 = 11021196103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021200109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60062 + ... + 160155.

It is an arithmetic number, because the mean of its divisors is an integer number (2755367616).

Almost surely, 211021200199 is an apocalyptic number.

11021200199 is a deficient number, since it is larger than the sum of its proper divisors (270265).

11021200199 is an equidigital number, since it uses as much as digits as its factorization.

11021200199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270264.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 11021200199 in words is "eleven billion, twenty-one million, two hundred thousand, one hundred ninety-nine".

Divisors: 1 50047 220217 11021200199