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27371121040 = 2452919361129
BaseRepresentation
bin11001011111011100…
…100010100110010000
32121122112121000101201
4121133130202212100
5422024001333130
620324002040544
71656165455464
oct313734424620
977575530351
1027371121040
111067631439a
12537a649154
132772850513
14147924a4a4
15aa2e41bca
hex65f722990

27371121040 has 80 divisors (see below), whose sum is σ = 66174447600. Its totient is φ = 10515972096.

The previous prime is 27371120993. The next prime is 27371121049. The reversal of 27371121040 is 4012117372.

It can be written as a sum of positive squares in 8 ways, for example, as 5471856784 + 21899264256 = 73972^2 + 147984^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (27371121049) 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 15 ways as a sum of consecutive naturals, for example, 417196 + ... + 478324.

It is an arithmetic number, because the mean of its divisors is an integer number (827180595).

Almost surely, 227371121040 is an apocalyptic number.

27371121040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27371121040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33087223800).

27371121040 is an abundant number, since it is smaller than the sum of its proper divisors (38803326560).

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

27371121040 is a wasteful number, since it uses less digits than its factorization.

27371121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61364 (or 61358 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 27371121040 in words is "twenty-seven billion, three hundred seventy-one million, one hundred twenty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 193 232 290 386 464 580 772 965 1160 1544 1930 2320 3088 3860 5597 7720 11194 15440 22388 27985 44776 55970 61129 89552 111940 122258 223880 244516 305645 447760 489032 611290 978064 1222580 1772741 2445160 3545482 4890320 7090964 8863705 11797897 14181928 17727410 23595794 28363856 35454820 47191588 58989485 70909640 94383176 117978970 141819280 188766352 235957940 342139013 471915880 684278026 943831760 1368556052 1710695065 2737112104 3421390130 5474224208 6842780260 13685560520 27371121040