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6689287002927 = 310377892779327
BaseRepresentation
bin110000101010111100010…
…0100110101101100101111
3212200111012220122022101210
41201111320210311230233
51334044124433043202
622121003243405503
71260166524240114
oct141257044655457
925614186568353
106689287002927
112149a0213a861
12900518823893
13396a4919c3c9
14191a983b290b
15b900c793c6c
hex61578935b2f

6689287002927 has 16 divisors (see below), whose sum is σ = 9006801489920. Its totient is φ = 4415659741152.

The previous prime is 6689287002919. The next prime is 6689287002941. The reversal of 6689287002927 is 7292007829866.

It is not a de Polignac number, because 6689287002927 - 23 = 6689287002919 is a prime.

It is a super-2 number, since 2×66892870029272 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689287001927) 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 15 ways as a sum of consecutive naturals, for example, 1017138 + ... + 3796464.

It is an arithmetic number, because the mean of its divisors is an integer number (562925093120).

Almost surely, 26689287002927 is an apocalyptic number.

6689287002927 is a deficient number, since it is larger than the sum of its proper divisors (2317514486993).

6689287002927 is a wasteful number, since it uses less digits than its factorization.

6689287002927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787222.

The product of its (nonzero) digits is 73156608, while the sum is 66.

The spelling of 6689287002927 in words is "six trillion, six hundred eighty-nine billion, two hundred eighty-seven million, two thousand, nine hundred twenty-seven".

Divisors: 1 3 103 309 7789 23367 802267 2406801 2779327 8337981 286270681 858812043 21648178003 64944534009 2229762334309 6689287002927