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13124100 = 22352114197
BaseRepresentation
bin110010000100…
…001000000100
3220200202212210
4302010020010
511324432400
61145143420
7216360453
oct62041004
926622783
1013124100
117454370
12448ab70
132946852
141a58b9a
151243950
hexc84204

13124100 has 144 divisors (see below), whose sum is σ = 42872256. Its totient is φ = 3072000.

The previous prime is 13124081. The next prime is 13124107. The reversal of 13124100 is 142131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (13124107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135252 + ... + 135348.

It is an arithmetic number, because the mean of its divisors is an integer number (297724).

Almost surely, 213124100 is an apocalyptic number.

13124100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13124100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21436128).

13124100 is an abundant number, since it is smaller than the sum of its proper divisors (29748156).

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

13124100 is a wasteful number, since it uses less digits than its factorization.

13124100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13124100 is about 3622.7199726173. The cubic root of 13124100 is about 235.8793072423.

Adding to 13124100 its reverse (142131), we get a palindrome (13266231).

The spelling of 13124100 in words is "thirteen million, one hundred twenty-four thousand, one hundred".