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27683640734860 = 225111021702717539
BaseRepresentation
bin1100100101101100110011…
…00100100111010010001100
310122000112022112002002212001
412102312121210213102030
512112032044012003420
6134513404453122044
75555035265452105
oct622663144472214
9118015275062761
1027683640734860
118903625535a40
123131337329324
13125a72ca44946
146b9c76c273ac
153301ad32cb0a
hex192d9992748c

27683640734860 has 96 divisors (see below), whose sum is σ = 63495474658560. Its totient is φ = 10054914220800.

The previous prime is 27683640734851. The next prime is 27683640734903. The reversal of 27683640734860 is 6843704638672.

It is a junction number, because it is equal to n+sod(n) for n = 27683640734792 and 27683640734801.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1578395971 + ... + 1578413509.

It is an arithmetic number, because the mean of its divisors is an integer number (661411194360).

Almost surely, 227683640734860 is an apocalyptic number.

27683640734860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27683640734860 is an abundant number, since it is smaller than the sum of its proper divisors (35811833923700).

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

27683640734860 is a wasteful number, since it uses less digits than its factorization.

27683640734860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25607 (or 25605 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 64.

The spelling of 27683640734860 in words is "twenty-seven trillion, six hundred eighty-three billion, six hundred forty million, seven hundred thirty-four thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1021 2042 4084 5105 7027 10210 11231 14054 17539 20420 22462 28108 35078 35135 44924 56155 70156 70270 77297 87695 112310 140540 154594 175390 192929 224620 309188 350780 385858 386485 771716 772970 964645 1545940 1929290 3858580 7174567 14349134 17907319 28698268 35814638 35872835 71629276 71745670 78920237 89536595 123246553 143491340 157840474 179073190 196980509 246493106 315680948 358146380 393961018 394601185 492986212 616232765 787922036 789202370 984902545 1232465530 1355712083 1578404740 1969805090 2464931060 2711424166 3939610180 5422848332 6778560415 13557120830 27114241660 125834730613 251669461226 503338922452 629173653065 1258347306130 1384182036743 2516694612260 2768364073486 5536728146972 6920910183715 13841820367430 27683640734860