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11230530516 = 2232311959181
BaseRepresentation
bin10100111010110010…
…00100101111010100
31001222200020001122200
422131121010233110
5141000003434031
65054221124500
7545205635322
oct123531045724
931880201580
1011230530516
114843383887
1222150b9730
13109c91123a
1478775cd12
1545ae298e6
hex29d644bd4

11230530516 has 18 divisors (see below), whose sum is σ = 28388285562. Its totient is φ = 3743510160.

The previous prime is 11230530403. The next prime is 11230530523. The reversal of 11230530516 is 61503503211.

11230530516 is a `hidden beast` number, since 1 + 123 + 0 + 530 + 5 + 1 + 6 = 666.

11230530516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8002018116 + 3228512400 = 89454^2 + 56820^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×112305305162 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11230530516.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 155979555 + ... + 155979626.

Almost surely, 211230530516 is an apocalyptic number.

It is an amenable number.

11230530516 is an abundant number, since it is smaller than the sum of its proper divisors (17157755046).

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

11230530516 is a wasteful number, since it uses less digits than its factorization.

11230530516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311959191 (or 311959186 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 11230530516 in words is "eleven billion, two hundred thirty million, five hundred thirty thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 311959181 623918362 935877543 1247836724 1871755086 2807632629 3743510172 5615265258 11230530516