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27228590269848 = 233211318397139991
BaseRepresentation
bin1100011000011101001100…
…11100110110010110011000
310120102000202021100100200200
412030032212130312112120
512032103123102113343
6133524350334302200
75510125564355412
oct614164634662630
9116360667310620
1027228590269848
1187486423a5470
1230790bb957960
131226850219066
146a1c296979b2
153234289ba4d3
hex18c3a6736598

27228590269848 has 768 divisors, whose sum is σ = 85607320780800. Its totient is φ = 7743403008000.

The previous prime is 27228590269703. The next prime is 27228590269913. The reversal of 27228590269848 is 84896209582272.

It is a happy number.

27228590269848 is a `hidden beast` number, since 2 + 7 + 2 + 2 + 8 + 590 + 26 + 9 + 8 + 4 + 8 = 666.

It is a super-2 number, since 2×272285902698482 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27475872633 + ... + 27475873623.

It is an arithmetic number, because the mean of its divisors is an integer number (111467865600).

Almost surely, 227228590269848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27228590269848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42803660390400).

27228590269848 is an abundant number, since it is smaller than the sum of its proper divisors (58378730510952).

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

27228590269848 is a wasteful number, since it uses less digits than its factorization.

27228590269848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 72.

The spelling of 27228590269848 in words is "twenty-seven trillion, two hundred twenty-eight billion, five hundred ninety million, two hundred sixty-nine thousand, eight hundred forty-eight".