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1113311144 = 231115718053
BaseRepresentation
bin100001001011011…
…1100011110101000
32212120220001210002
41002112330132220
54240001424034
6302250042132
736405663041
oct10226743650
92776801702
101113311144
11521487160
12270a19348
131498616ba
14a7c058c8
1567b14e7e
hex425bc7a8

1113311144 has 32 divisors (see below), whose sum is σ = 2278959840. Its totient is φ = 505665600.

The previous prime is 1113311141. The next prime is 1113311161. The reversal of 1113311144 is 4411133111.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1113311141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134222 + ... + 142274.

It is an arithmetic number, because the mean of its divisors is an integer number (71217495).

Almost surely, 21113311144 is an apocalyptic number.

It is an amenable number.

1113311144 is an abundant number, since it is smaller than the sum of its proper divisors (1165648696).

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

1113311144 is a wasteful number, since it uses less digits than its factorization.

1113311144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9641 (or 9637 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 1113311144 is about 33366.3175073307. The cubic root of 1113311144 is about 1036.4273193339.

Adding to 1113311144 its reverse (4411133111), we get a palindrome (5524444255).

The spelling of 1113311144 in words is "one billion, one hundred thirteen million, three hundred eleven thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 1571 3142 6284 8053 12568 16106 17281 32212 34562 64424 69124 88583 138248 177166 354332 708664 12651263 25302526 50605052 101210104 139163893 278327786 556655572 1113311144