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6930588427893 = 3213172239985439
BaseRepresentation
bin110010011011010011101…
…0000101110011001110101
3220112120001121211202211100
41210312213100232121311
51402022321114143033
622423511322400313
71313501304431604
oct144664720563165
926476047752740
106930588427893
11223227853a919
1293b240060099
133b3723087580
1419d629833a3b
15c0431ac2513
hex64da742e675

6930588427893 has 72 divisors (see below), whose sum is σ = 11457298944000. Its totient is φ = 4012376265216.

The previous prime is 6930588427883. The next prime is 6930588427901. The reversal of 6930588427893 is 3987248850396.

6930588427893 is a `hidden beast` number, since 6 + 9 + 30 + 5 + 88 + 427 + 8 + 93 = 666.

It is not a de Polignac number, because 6930588427893 - 218 = 6930588165749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6930588427813) 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 71 ways as a sum of consecutive naturals, for example, 81074668 + ... + 81160106.

It is an arithmetic number, because the mean of its divisors is an integer number (159129152000).

Almost surely, 26930588427893 is an apocalyptic number.

It is an amenable number.

6930588427893 is a deficient number, since it is larger than the sum of its proper divisors (4526710516107).

6930588427893 is a wasteful number, since it uses less digits than its factorization.

6930588427893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87891 (or 87871 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 72.

The spelling of 6930588427893 in words is "six trillion, nine hundred thirty billion, five hundred eighty-eight million, four hundred twenty-seven thousand, eight hundred ninety-three".

Divisors: 1 3 9 13 17 39 51 117 153 221 289 663 867 1989 2399 2601 3757 7197 11271 21591 31187 33813 40783 85439 93561 122349 256317 280683 367047 530179 693311 768951 1110707 1452463 1590537 2079933 3332121 4357389 4771611 6239799 9013043 9996363 13072167 18882019 24691871 27039129 56646057 74075613 81117387 169938171 204968161 222226839 320994323 614904483 962982969 1844713449 2664586093 2888948907 3484458737 7993758279 10453376211 23981274837 31360128633 45297963581 59235798529 135893890743 177707395587 407681672229 533122186761 770065380877 2310196142631 6930588427893