Search a number
-
+
5688881287505 = 5131091768145413
BaseRepresentation
bin101001011001000101110…
…1111111001000101010001
3202010211222220210101222122
41102302023233321011101
51221201312102200010
620033234101144025
71125002532043223
oct122621357710521
922124886711878
105688881287505
1118a37061a5969
1277a6629bb015
133235c7b40990
141594b4118413
159ceaa5da855
hex52c8bbf9151

5688881287505 has 32 divisors (see below), whose sum is σ = 7419815615520. Its totient is φ = 4162151485440.

The previous prime is 5688881287501. The next prime is 5688881287519. The reversal of 5688881287505 is 5057821888865.

It can be written as a sum of positive squares in 16 ways, for example, as 4123860271441 + 1565021016064 = 2030729^2 + 1251008^2 .

It is not a de Polignac number, because 5688881287505 - 22 = 5688881287501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5688881287501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125247179 + ... + 125292591.

It is an arithmetic number, because the mean of its divisors is an integer number (231869237985).

Almost surely, 25688881287505 is an apocalyptic number.

It is an amenable number.

5688881287505 is a deficient number, since it is larger than the sum of its proper divisors (1730934328015).

5688881287505 is a wasteful number, since it uses less digits than its factorization.

5688881287505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63221.

The product of its (nonzero) digits is 344064000, while the sum is 71.

The spelling of 5688881287505 in words is "five trillion, six hundred eighty-eight billion, eight hundred eighty-one million, two hundred eighty-seven thousand, five hundred five".

Divisors: 1 5 13 65 109 545 1417 7085 17681 45413 88405 227065 229853 590369 1149265 1927229 2951845 4950017 9636145 24750085 25053977 64350221 125269885 321751105 802947253 4014736265 10438314289 52191571445 87521250577 437606252885 1137776257501 5688881287505