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11489931672 = 233502395311
BaseRepresentation
bin10101011001101101…
…00111000110011000
31002122202100000010220
422230312213012120
5142012410303142
65140045040040
7554505544032
oct125466470630
932582300126
1011489931672
1149668487aa
122287b56020
131111595a4b
147adda4c52
15473ab92ec
hex2acda7198

11489931672 has 32 divisors (see below), whose sum is σ = 28730849280. Its totient is φ = 3829174560.

The previous prime is 11489931671. The next prime is 11489931683. The reversal of 11489931672 is 27613998411.

11489931672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11489931671) 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 7 ways as a sum of consecutive naturals, for example, 72897 + ... + 168207.

It is an arithmetic number, because the mean of its divisors is an integer number (897839040).

Almost surely, 211489931672 is an apocalyptic number.

11489931672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11489931672 is an abundant number, since it is smaller than the sum of its proper divisors (17240917608).

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

11489931672 is a wasteful number, since it uses less digits than its factorization.

11489931672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100343 (or 100339 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The spelling of 11489931672 in words is "eleven billion, four hundred eighty-nine million, nine hundred thirty-one thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 5023 10046 15069 20092 30138 40184 60276 95311 120552 190622 285933 381244 571866 762488 1143732 2287464 478747153 957494306 1436241459 1914988612 2872482918 3829977224 5744965836 11489931672