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11297887600 = 245228244719
BaseRepresentation
bin10101000010110100…
…00001010101110000
31002011100222011012111
422201122001111300
5141114224400400
65105024535104
7546654313546
oct124132012560
932140864174
1011297887600
1148783aa19a
122233781494
1310b0865abc
14792693d96
15461cd23ba
hex2a1681570

11297887600 has 30 divisors (see below), whose sum is σ = 27143175920. Its totient is φ = 4519154880.

The previous prime is 11297887577. The next prime is 11297887603. The reversal of 11297887600 is 678879211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11297887603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14121960 + ... + 14122759.

Almost surely, 211297887600 is an apocalyptic number.

11297887600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11297887600 is an abundant number, since it is smaller than the sum of its proper divisors (15845288320).

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

11297887600 is a wasteful number, since it uses less digits than its factorization.

11297887600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28244737 (or 28244726 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 11297887600 in words is "eleven billion, two hundred ninety-seven million, eight hundred eighty-seven thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 28244719 56489438 112978876 141223595 225957752 282447190 451915504 564894380 706117975 1129788760 1412235950 2259577520 2824471900 5648943800 11297887600