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124240423132 = 2274437157969
BaseRepresentation
bin111001110110101001…
…1100110100011011100
3102212200112021102111001
41303231103212203130
54013421022020012
6133024131240044
711655536113030
oct1635523464334
9385615242431
10124240423132
1148765530851
12200b3a49024
13b93c877397
1460285a21c0
1533723bc357
hex1ced4e68dc

124240423132 has 12 divisors (see below), whose sum is σ = 248480846320. Its totient is φ = 53245895616.

The previous prime is 124240423129. The next prime is 124240423183. The reversal of 124240423132 is 231324042421.

124240423132 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4437157969 = 124240423132 / (1 + 2 + 4 + 2 + 4 + 0 + 4 + 2 + 3 + 1 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 124240423132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218578957 + ... + 2218579012.

Almost surely, 2124240423132 is an apocalyptic number.

It is an amenable number.

124240423132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

124240423132 is a wasteful number, since it uses less digits than its factorization.

124240423132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437157980 (or 4437157978 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 124240423132 its reverse (231324042421), we get a palindrome (355564465553).

The spelling of 124240423132 in words is "one hundred twenty-four billion, two hundred forty million, four hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 4437157969 8874315938 17748631876 31060105783 62120211566 124240423132