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11728124029605 = 35817913955939
BaseRepresentation
bin1010101010101010101010…
…1010101010101010100101
31112112012100010110210211110
42222222222222222222211
53014123144222421410
640535454212255233
72320220563260264
oct252525252525245
945465303423743
1011728124029605
113811962299285
121394ba5011519
13670c5a3b6b19
142c7903ab45db
1515511e827720
hexaaaaaaaaaa5

11728124029605 has 16 divisors (see below), whose sum is σ = 18765041019840. Its totient is φ = 6254985291648.

The previous prime is 11728124029603. The next prime is 11728124029663. The reversal of 11728124029605 is 50692042182711.

11728124029605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11728124029605 - 21 = 11728124029603 is a prime.

It is a nialpdrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11728124029603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11790726 + ... + 12746664.

It is an arithmetic number, because the mean of its divisors is an integer number (1172815063740).

Almost surely, 211728124029605 is an apocalyptic number.

11728124029605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11728124029605 is a deficient number, since it is larger than the sum of its proper divisors (7036916990235).

11728124029605 is an equidigital number, since it uses as much as digits as its factorization.

11728124029605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773860.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 11728124029605 in words is "eleven trillion, seven hundred twenty-eight billion, one hundred twenty-four million, twenty-nine thousand, six hundred five".

Divisors: 1 3 5 15 817913 955939 2453739 2867817 4089565 4779695 12268695 14339085 781874935307 2345624805921 3909374676535 11728124029605