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11281903086 = 2317400327631
BaseRepresentation
bin10101000000111010…
…00010110111101110
31002010020220001120110
422200131002313232
5141101131344321
65103254200450
7546401410506
oct124035026756
932106801513
1011281903086
11486a381853
12222a353126
1310aa45a2cc
147904d2a06
154606c6176
hex2a0742dee

11281903086 has 32 divisors (see below), whose sum is σ = 23897922048. Its totient is φ = 3538408320.

The previous prime is 11281903081. The next prime is 11281903093. The reversal of 11281903086 is 68030918211.

11281903086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11281903081) 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 15 ways as a sum of consecutive naturals, for example, 394491 + ... + 422121.

It is an arithmetic number, because the mean of its divisors is an integer number (746810064).

Almost surely, 211281903086 is an apocalyptic number.

11281903086 is an abundant number, since it is smaller than the sum of its proper divisors (12616018962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11281903086 is a wasteful number, since it uses less digits than its factorization.

11281903086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31656.

The product of its (nonzero) digits is 20736, while the sum is 39.

The spelling of 11281903086 in words is "eleven billion, two hundred eighty-one million, nine hundred three thousand, eighty-six".

Divisors: 1 2 3 6 17 34 51 102 4003 8006 12009 24018 27631 55262 68051 82893 136102 165786 204153 408306 469727 939454 1409181 2818362 110606893 221213786 331820679 663641358 1880317181 3760634362 5640951543 11281903086