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1150499989 = 19791017589
BaseRepresentation
bin100010010010011…
…0011110010010101
32222011212110021201
41010210303302111
54324011444424
6310055112501
740340042242
oct10444636225
92864773251
101150499989
11540477741
12281372731
13154482832
14acb265c9
156b00dd44
hex44933c95

1150499989 has 16 divisors (see below), whose sum is σ = 1238688000. Its totient is φ = 1065355200.

The previous prime is 1150499983. The next prime is 1150500023. The reversal of 1150499989 is 9899940511.

It is a cyclic number.

It is not a de Polignac number, because 1150499989 - 211 = 1150497941 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 (1150499983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147807 + ... + 155395.

It is an arithmetic number, because the mean of its divisors is an integer number (77418000).

Almost surely, 21150499989 is an apocalyptic number.

1150499989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1150499989 is a deficient number, since it is larger than the sum of its proper divisors (88188011).

1150499989 is a wasteful number, since it uses less digits than its factorization.

1150499989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7788.

The product of its (nonzero) digits is 1049760, while the sum is 55.

The square root of 1150499989 is about 33919.0210501424. The cubic root of 1150499989 is about 1047.8413668975.

The spelling of 1150499989 in words is "one billion, one hundred fifty million, four hundred ninety-nine thousand, nine hundred eighty-nine".

Divisors: 1 19 79 101 1501 1919 7589 7979 144191 151601 599531 766489 11391089 14563291 60552631 1150499989