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11113302421 = 134718188711
BaseRepresentation
bin10100101100110011…
…11000100110010101
31001200111122020221101
422112121320212111
5140230001134141
65034432350101
7542253340414
oct122631704625
931614566841
1011113302421
114793195661
1221a19a5331
131081547bc0
14775d6547b
154509c0531
hex296678995

11113302421 has 8 divisors (see below), whose sum is σ = 12222814464. Its totient is φ = 10040167920.

The previous prime is 11113302401. The next prime is 11113302457. The reversal of 11113302421 is 12420331111.

11113302421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11113302421 is a prime.

It is a super-2 number, since 2×111133024212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113302401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9093745 + ... + 9094966.

It is an arithmetic number, because the mean of its divisors is an integer number (1527851808).

Almost surely, 211113302421 is an apocalyptic number.

It is an amenable number.

11113302421 is a deficient number, since it is larger than the sum of its proper divisors (1109512043).

11113302421 is a wasteful number, since it uses less digits than its factorization.

11113302421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18188771.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11113302421 its reverse (12420331111), we get a palindrome (23533633532).

The spelling of 11113302421 in words is "eleven billion, one hundred thirteen million, three hundred two thousand, four hundred twenty-one".

Divisors: 1 13 47 611 18188711 236453243 854869417 11113302421