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11530498512 = 2431318478363
BaseRepresentation
bin10101011110100010…
…10111000111010000
31002202120200000101110
422233101113013100
5142103301423022
65144054333320
7555510422511
oct125721270720
932676600343
1011530498512
114987736215
12229965a240
131119aca5b0
147b5524a08
1547742e00c
hex2af4571d0

11530498512 has 40 divisors (see below), whose sum is σ = 32078439904. Its totient is φ = 3547845504.

The previous prime is 11530498493. The next prime is 11530498549. The reversal of 11530498512 is 21589403511.

11530498512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 7 ways as a sum of consecutive naturals, for example, 9238558 + ... + 9239805.

Almost surely, 211530498512 is an apocalyptic number.

11530498512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11530498512 is an abundant number, since it is smaller than the sum of its proper divisors (20547941392).

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

11530498512 is a wasteful number, since it uses less digits than its factorization.

11530498512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18478387 (or 18478381 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 11530498512 in words is "eleven billion, five hundred thirty million, four hundred ninety-eight thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 18478363 36956726 55435089 73913452 110870178 147826904 221740356 240218719 295653808 443480712 480437438 720656157 886961424 960874876 1441312314 1921749752 2882624628 3843499504 5765249256 11530498512