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2312897357568 = 28371921378699
BaseRepresentation
bin100001101010000011011…
…011001110011100000000
322012002222210102112020010
4201222003123032130000
5300343303210420233
64530310321144520
7326046516106110
oct41520333163400
98162883375203
102312897357568
11811992296786
1231430878b140
1313a14a4074b5
147dd3287d040
154026cab5b63
hex21a836ce700

2312897357568 has 432 divisors, whose sum is σ = 7479872467200. Its totient is φ = 621406273536.

The previous prime is 2312897357567. The next prime is 2312897357599. The reversal of 2312897357568 is 8657537982132.

It is a junction number, because it is equal to n+sod(n) for n = 2312897357499 and 2312897357508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312897357567) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 265876483 + ... + 265885181.

It is an arithmetic number, because the mean of its divisors is an integer number (17314519600).

Almost surely, 22312897357568 is an apocalyptic number.

2312897357568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312897357568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3739936233600).

2312897357568 is an abundant number, since it is smaller than the sum of its proper divisors (5166975109632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2312897357568 is a wasteful number, since it uses less digits than its factorization.

2312897357568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8900 (or 8867 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 66.

It can be divided in two parts, 231289 and 7357568, that added together give a palindrome (7588857).

The spelling of 2312897357568 in words is "two trillion, three hundred twelve billion, eight hundred ninety-seven million, three hundred fifty-seven thousand, five hundred sixty-eight".