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27428815691410 = 2571033804274021
BaseRepresentation
bin1100011110010010001001…
…10100001101111010010010
310121010011120022210122102211
412033021010310031322102
512043343203304111120
6134200342440102334
75530444423356220
oct617110464157222
9117104508718384
1027428815691410
11881554a432181
1230aba7aa649aa
13123c6ac153573
146ab7c1697b10
15328746b1b25a
hex18f244d0de92

27428815691410 has 32 divisors (see below), whose sum is σ = 56972807753472. Its totient is φ = 9312862800960.

The previous prime is 27428815691359. The next prime is 27428815691413. The reversal of 27428815691410 is 1419651882472.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27428815691413) 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, 1902129801 + ... + 1902144220.

It is an arithmetic number, because the mean of its divisors is an integer number (1780400242296).

Almost surely, 227428815691410 is an apocalyptic number.

27428815691410 is an abundant number, since it is smaller than the sum of its proper divisors (29543992062062).

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

27428815691410 is a wasteful number, since it uses less digits than its factorization.

27428815691410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804274138.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 27428815691410 in words is "twenty-seven trillion, four hundred twenty-eight billion, eight hundred fifteen million, six hundred ninety-one thousand, four hundred ten".

Divisors: 1 2 5 7 10 14 35 70 103 206 515 721 1030 1442 3605 7210 3804274021 7608548042 19021370105 26629918147 38042740210 53259836294 133149590735 266299181470 391840224163 783680448326 1959201120815 2742881569141 3918402241630 5485763138282 13714407845705 27428815691410