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1688025134611 = 231272332480227
BaseRepresentation
bin11000100100000110001…
…000110111011000010011
312222101002101002122002001
4120210012020313120103
5210124033413301421
63331245032534431
7232645556621404
oct30440610673023
95871071078061
101688025134611
115a09841aaa22
12233198251417
13c32458614ca
145b9b51d39ab
152dd993b5691
hex18906237613

1688025134611 has 16 divisors (see below), whose sum is σ = 1782906937344. Its totient is φ = 1595043261504.

The previous prime is 1688025134563. The next prime is 1688025134617. The reversal of 1688025134611 is 1164315208861.

It is a cyclic number.

It is not a de Polignac number, because 1688025134611 - 233 = 1679435200019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1688025134617) 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 15 ways as a sum of consecutive naturals, for example, 559521 + ... + 1920706.

It is an arithmetic number, because the mean of its divisors is an integer number (111431683584).

Almost surely, 21688025134611 is an apocalyptic number.

1688025134611 is a deficient number, since it is larger than the sum of its proper divisors (94881802733).

1688025134611 is a wasteful number, since it uses less digits than its factorization.

1688025134611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480610.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 1688025134611 in words is "one trillion, six hundred eighty-eight billion, twenty-five million, one hundred thirty-four thousand, six hundred eleven".

Divisors: 1 23 127 233 2921 5359 29591 680593 2480227 57045221 314988829 577892891 7244743067 13291536493 73392397157 1688025134611