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13051685645830 = 2513457219688363
BaseRepresentation
bin1011110111101101010100…
…0101100010111000000110
31201012201200102011101021101
42331323111011202320012
53202314323011131310
643431510035210314
72514644636343436
oct275732505427006
951181612141241
1013051685645830
114182209321477
12156960714699a
137389cba19cc0
143319c25822c6
15179786ee743a
hexbded5162e06

13051685645830 has 32 divisors (see below), whose sum is σ = 25355552219424. Its totient is φ = 4808538867456.

The previous prime is 13051685645821. The next prime is 13051685645833. The reversal of 13051685645830 is 3854658615031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13051685645833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109784772 + ... + 109903591.

It is an arithmetic number, because the mean of its divisors is an integer number (792361006857).

Almost surely, 213051685645830 is an apocalyptic number.

13051685645830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13051685645830 is a deficient number, since it is larger than the sum of its proper divisors (12303866573594).

13051685645830 is a wasteful number, since it uses less digits than its factorization.

13051685645830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219688840.

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 13051685645830 in words is "thirteen trillion, fifty-one billion, six hundred eighty-five million, six hundred forty-five thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 457 914 2285 4570 5941 11882 29705 59410 219688363 439376726 1098441815 2196883630 2855948719 5711897438 14279743595 28559487190 100397581891 200795163782 501987909455 1003975818910 1305168564583 2610337129166 6525842822915 13051685645830