Search a number
-
+
89080188705 = 3252968260681
BaseRepresentation
bin101001011110110010…
…1111100111100100001
322111221011002110020100
41102331211330330201
52424414012014310
6104531201333013
76302330052654
oct1227545747441
9274834073210
1089080188705
1134862498272
1215320937169
1385283b0341
144450aa589b
1524b5739ec0
hex14bd97cf21

89080188705 has 24 divisors (see below), whose sum is σ = 159729995880. Its totient is φ = 45871176960.

The previous prime is 89080188697. The next prime is 89080188719. The reversal of 89080188705 is 50788108098.

It can be written as a sum of positive squares in 4 ways, for example, as 4742801424 + 84337387281 = 68868^2 + 290409^2 .

It is not a de Polignac number, because 89080188705 - 23 = 89080188697 is a prime.

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, 34129036 + ... + 34131645.

It is an arithmetic number, because the mean of its divisors is an integer number (6655416495).

Almost surely, 289080188705 is an apocalyptic number.

It is an amenable number.

89080188705 is a deficient number, since it is larger than the sum of its proper divisors (70649807175).

89080188705 is a wasteful number, since it uses less digits than its factorization.

89080188705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68260721 (or 68260718 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 54.

The spelling of 89080188705 in words is "eighty-nine billion, eighty million, one hundred eighty-eight thousand, seven hundred five".

Divisors: 1 3 5 9 15 29 45 87 145 261 435 1305 68260681 204782043 341303405 614346129 1023910215 1979559749 3071730645 5938679247 9897798745 17816037741 29693396235 89080188705