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2531007128050 = 25250620142561
BaseRepresentation
bin100100110101001011110…
…001111110000111110010
322221221222020102212112121
4210311023301332013302
5312432000311044200
65214421214344454
7350600500422562
oct44651361760762
98857866385477
102531007128050
118964375a4545
1234a6391bb12a
1315489960b99b
148a703ba2da2
1545c85d77e1a
hex24d4bc7e1f2

2531007128050 has 12 divisors (see below), whose sum is σ = 4707673258266. Its totient is φ = 1012402851200.

The previous prime is 2531007128047. The next prime is 2531007128051. The reversal of 2531007128050 is 508217001352.

It can be written as a sum of positive squares in 3 ways, for example, as 2038866996321 + 492140131729 = 1427889^2 + 701527^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2531007127997 and 2531007128015.

It is not an unprimeable number, because it can be changed into a prime (2531007128051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25310071231 + ... + 25310071330.

Almost surely, 22531007128050 is an apocalyptic number.

2531007128050 is a deficient number, since it is larger than the sum of its proper divisors (2176666130216).

2531007128050 is a wasteful number, since it uses less digits than its factorization.

2531007128050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50620142573 (or 50620142568 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 2531007128050 in words is "two trillion, five hundred thirty-one billion, seven million, one hundred twenty-eight thousand, fifty".

Divisors: 1 2 5 10 25 50 50620142561 101240285122 253100712805 506201425610 1265503564025 2531007128050