Search a number
-
+
27090033845 = 571922144047
BaseRepresentation
bin11001001110101100…
…010001110010110101
32120220221200022020212
4121032230101302311
5420440022040340
620240041235205
71646213326340
oct311654216265
976827608225
1027090033845
1110541688426
125300492b05
132729545034
14144db9b457
15a8841ba65
hex64eb11cb5

27090033845 has 24 divisors (see below), whose sum is σ = 39210349824. Its totient is φ = 17598329568.

The previous prime is 27090033833. The next prime is 27090033907. The reversal of 27090033845 is 54833009072.

It is not a de Polignac number, because 27090033845 - 28 = 27090033589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1059389 + ... + 1084658.

It is an arithmetic number, because the mean of its divisors is an integer number (1633764576).

Almost surely, 227090033845 is an apocalyptic number.

It is an amenable number.

27090033845 is a deficient number, since it is larger than the sum of its proper divisors (12120315979).

27090033845 is a wasteful number, since it uses less digits than its factorization.

27090033845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144097 (or 2144078 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 27090033845 in words is "twenty-seven billion, ninety million, thirty-three thousand, eight hundred forty-five".

Divisors: 1 5 7 19 35 95 133 361 665 1805 2527 12635 2144047 10720235 15008329 40736893 75041645 203684465 285158251 774000967 1425791255 3870004835 5418006769 27090033845