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11012899 = 47234317
BaseRepresentation
bin101010000000…
…101100100011
3202201111212011
4222000230203
510304403044
61032013351
7162415402
oct52005443
922644764
1011012899
116242177
123831257
132387911
141669639
15e78134
hexa80b23

11012899 has 4 divisors (see below), whose sum is σ = 11247264. Its totient is φ = 10778536.

The previous prime is 11012893. The next prime is 11012909. The reversal of 11012899 is 99821011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99821011 = 129776963.

It is a cyclic number.

It is not a de Polignac number, because 11012899 - 211 = 11010851 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11012899.

It is not an unprimeable number, because it can be changed into a prime (11012893) 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, 117112 + ... + 117205.

It is an arithmetic number, because the mean of its divisors is an integer number (2811816).

Almost surely, 211012899 is an apocalyptic number.

11012899 is a deficient number, since it is larger than the sum of its proper divisors (234365).

11012899 is an equidigital number, since it uses as much as digits as its factorization.

11012899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234364.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 11012899 is about 3318.5688180298. The cubic root of 11012899 is about 222.4849057639.

It can be divided in two parts, 11012 and 899, that added together give a palindrome (11911).

The spelling of 11012899 in words is "eleven million, twelve thousand, eight hundred ninety-nine".

Divisors: 1 47 234317 11012899