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27922312019185 = 517328497788461
BaseRepresentation
bin1100101100101001010110…
…11111010011110011110001
310122212100100221012120121021
412112110223133103303301
512124434343334103220
6135215155535055441
75611214631060223
oct626245337236361
9118770327176537
1027922312019185
118995871224451
12316b645971581
1312770a7a65b7c
146c7638c3c413
153364cb7c54aa
hex19652b7d3cf1

27922312019185 has 8 divisors (see below), whose sum is σ = 35477761153896. Its totient is φ = 21023858461440.

The previous prime is 27922312019141. The next prime is 27922312019221. The reversal of 27922312019185 is 58191021322972.

It can be written as a sum of positive squares in 4 ways, for example, as 822968294976 + 27099343724209 = 907176^2 + 5205703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-27922312019185 is a prime.

It is a super-2 number, since 2×279223120191852 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164248894146 + ... + 164248894315.

It is an arithmetic number, because the mean of its divisors is an integer number (4434720144237).

Almost surely, 227922312019185 is an apocalyptic number.

It is an amenable number.

27922312019185 is a deficient number, since it is larger than the sum of its proper divisors (7555449134711).

27922312019185 is a wasteful number, since it uses less digits than its factorization.

27922312019185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328497788483.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 27922312019185 in words is "twenty-seven trillion, nine hundred twenty-two billion, three hundred twelve million, nineteen thousand, one hundred eighty-five".

Divisors: 1 5 17 85 328497788461 1642488942305 5584462403837 27922312019185