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2687081532225 = 35235999798757
BaseRepresentation
bin100111000110100010100…
…010100100101101000001
3100111212211022222002102120
4213012202202210231001
5323011120333012400
65414232254434453
7365064246111156
oct47064242445501
910455738862376
102687081532225
11946648522432
12374936202a29
131665104a822c
14940ac1b022d
1549d6cd8aca0
hex271a28a4b41

2687081532225 has 24 divisors (see below), whose sum is σ = 4455016557120. Its totient is φ = 1429118185920.

The previous prime is 2687081532193. The next prime is 2687081532263. The reversal of 2687081532225 is 5222351807862.

It is not a de Polignac number, because 2687081532225 - 25 = 2687081532193 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49872454 + ... + 49926303.

It is an arithmetic number, because the mean of its divisors is an integer number (185625689880).

Almost surely, 22687081532225 is an apocalyptic number.

2687081532225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2687081532225 is a deficient number, since it is larger than the sum of its proper divisors (1767935024895).

2687081532225 is a wasteful number, since it uses less digits than its factorization.

2687081532225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99799129 (or 99799124 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 2687081532225 in words is "two trillion, six hundred eighty-seven billion, eighty-one million, five hundred thirty-two thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 359 1077 1795 5385 8975 26925 99798757 299396271 498993785 1496981355 2494968925 7484906775 35827753763 107483261289 179138768815 537416306445 895693844075 2687081532225