Search a number
-
+
5281287807284 = 226179273982559
BaseRepresentation
bin100110011011010010101…
…0010001010000100110100
3200200212221000202021101122
41030312211102022010310
51143012034134313114
615122105022243112
71053363143450006
oct114664522120464
920625830667348
105281287807284
111756866314485
12713670726498
132c403c274598
1414388966c376
15925a2246e8e
hex4cda548a134

5281287807284 has 24 divisors (see below), whose sum is σ = 9512674483200. Its totient is φ = 2564476742880.

The previous prime is 5281287807281. The next prime is 5281287807307. The reversal of 5281287807284 is 4827087821825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281287807281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136972004 + ... + 137010555.

It is an arithmetic number, because the mean of its divisors is an integer number (396361436800).

Almost surely, 25281287807284 is an apocalyptic number.

It is an amenable number.

5281287807284 is a deficient number, since it is larger than the sum of its proper divisors (4231386675916).

5281287807284 is a wasteful number, since it uses less digits than its factorization.

5281287807284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273982703 (or 273982701 counting only the distinct ones).

The product of its (nonzero) digits is 32112640, while the sum is 62.

The spelling of 5281287807284 in words is "five trillion, two hundred eighty-one billion, two hundred eighty-seven million, eight hundred seven thousand, two hundred eighty-four".

Divisors: 1 2 4 61 79 122 158 244 316 4819 9638 19276 273982559 547965118 1095930236 16712936099 21644622161 33425872198 43289244322 66851744396 86578488644 1320321951821 2640643903642 5281287807284