Search a number
-
+
55274014808665 = 5397139919904111
BaseRepresentation
bin11001001000101011111000…
…00001001001101001011001
321020201010220010110221001021
430210111330001021221121
524221102140242334130
6313320310514122441
714433262420551412
oct1444257401115131
9236633803427037
1055274014808665
111668063a407004
126248583880421
1324ac417c58983
14d913c2d74809
1565cc0d61437a
hex32457c049a59

55274014808665 has 16 divisors (see below), whose sum is σ = 66543427238400. Its totient is φ = 44076298115520.

The previous prime is 55274014808543. The next prime is 55274014808669. The reversal of 55274014808665 is 56680841047255.

It is not a de Polignac number, because 55274014808665 - 29 = 55274014808153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55274014808669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7175041 + ... + 12729070.

It is an arithmetic number, because the mean of its divisors is an integer number (4158964202400).

Almost surely, 255274014808665 is an apocalyptic number.

It is an amenable number.

55274014808665 is a deficient number, since it is larger than the sum of its proper divisors (11269412429735).

55274014808665 is a wasteful number, since it uses less digits than its factorization.

55274014808665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19905912.

The product of its (nonzero) digits is 64512000, while the sum is 61.

The spelling of 55274014808665 in words is "fifty-five trillion, two hundred seventy-four billion, fourteen million, eight hundred eight thousand, six hundred sixty-five".

Divisors: 1 5 397 1399 1985 6995 555403 2777015 19904111 99520555 7901932067 27845851289 39509660335 139229256445 11054802961733 55274014808665