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14720557091 = 174373311887
BaseRepresentation
bin11011011010110100…
…11110000000100011
31101222220022210002012
431231122132000203
5220121430311331
610432412343135
71030534446032
oct155532360043
941886283065
1014720557091
116274409469
122a29a74aab
131507998116
149d9082719
155b251682b
hex36d69e023

14720557091 has 32 divisors (see below), whose sum is σ = 16237698048. Its totient is φ = 13289149440.

The previous prime is 14720557079. The next prime is 14720557099. The reversal of 14720557091 is 19075502741.

14720557091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14720557091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14720557099) 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 31 ways as a sum of consecutive naturals, for example, 16595450 + ... + 16596336.

It is an arithmetic number, because the mean of its divisors is an integer number (507428064).

Almost surely, 214720557091 is an apocalyptic number.

14720557091 is a deficient number, since it is larger than the sum of its proper divisors (1517140957).

14720557091 is a wasteful number, since it uses less digits than its factorization.

14720557091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 14720557091 in words is "fourteen billion, seven hundred twenty million, five hundred fifty-seven thousand, ninety-one".

Divisors: 1 17 43 73 311 731 887 1241 3139 5287 13373 15079 22703 38141 53363 64751 227341 275857 385951 648397 976229 1100767 2784293 4689569 11861851 16595893 20137561 47332981 201651467 342338537 865915123 14720557091