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13493647838490 = 2351137435357237
BaseRepresentation
bin1100010001011011110000…
…0101100000110100011010
31202202222110112000000001220
43010112330011200310122
53232034442321312430
644410521330552510
72561612113113531
oct304267405406432
952688415000056
1013493647838490
114332695476236
12161b1ab438736
1376b5a3aa8431
1434914b769318
151860027bd110
hexc45bc160d1a

13493647838490 has 64 divisors (see below), whose sum is σ = 32715323870976. Its totient is φ = 3561661924352.

The previous prime is 13493647838467. The next prime is 13493647838527. The reversal of 13493647838490 is 9483874639431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159849 + ... + 5197388.

It is an arithmetic number, because the mean of its divisors is an integer number (511176935484).

Almost surely, 213493647838490 is an apocalyptic number.

13493647838490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13493647838490 is an abundant number, since it is smaller than the sum of its proper divisors (19221676032486).

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

13493647838490 is a wasteful number, since it uses less digits than its factorization.

13493647838490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358103.

The product of its (nonzero) digits is 376233984, while the sum is 69.

The spelling of 13493647838490 in words is "thirteen trillion, four hundred ninety-three billion, six hundred forty-seven million, eight hundred thirty-eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 113 226 339 565 678 743 1130 1486 1695 2229 3390 3715 4458 7430 11145 22290 83959 167918 251877 419795 503754 839590 1259385 2518770 5357237 10714474 16071711 26786185 32143422 53572370 80358555 160717110 605367781 1210735562 1816103343 3026838905 3632206686 3980427091 6053677810 7960854182 9080516715 11941281273 18161033430 19902135455 23882562546 39804270910 59706406365 119412812730 449788261283 899576522566 1349364783849 2248941306415 2698729567698 4497882612830 6746823919245 13493647838490