Search a number
-
+
28052800305555 = 357959167400109
BaseRepresentation
bin1100110000011100011010…
…01100100111100110010011
310200022211011212221100012110
412120032031030213212103
512134104113334234210
6135355140100000403
75623514354154054
oct630161514474623
9120284155840173
1028052800305555
118a3614248a333
1231909a2090103
1312864a1b50c3c
146cda970d072b
15339ab743b420
hex19838d327993

28052800305555 has 32 divisors (see below), whose sum is σ = 45453520281600. Its totient is φ = 14771820915072.

The previous prime is 28052800305499. The next prime is 28052800305587. The reversal of 28052800305555 is 55550300825082.

It is not a de Polignac number, because 28052800305555 - 210 = 28052800304531 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69912841 + ... + 70312949.

It is an arithmetic number, because the mean of its divisors is an integer number (1420422508800).

Almost surely, 228052800305555 is an apocalyptic number.

28052800305555 is a deficient number, since it is larger than the sum of its proper divisors (17400719976045).

28052800305555 is a wasteful number, since it uses less digits than its factorization.

28052800305555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459363.

The product of its (nonzero) digits is 2400000, while the sum is 48.

The spelling of 28052800305555 in words is "twenty-eight trillion, fifty-two billion, eight hundred million, three hundred five thousand, five hundred fifty-five".

Divisors: 1 3 5 15 79 237 395 1185 59167 177501 295835 400109 887505 1200327 2000545 4674193 6001635 14022579 23370965 31608611 70112895 94825833 158043055 474129165 23673249203 71019747609 118366246015 355098738045 1870186687037 5610560061111 9350933435185 28052800305555