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39399387001683 = 31719281144696947
BaseRepresentation
bin10001111010101011000100…
…11101110111001101010011
312011111112201000121102012220
420331111202131313031103
520131004421033023213
6215443454543152123
711204340352561422
oct1075254235671523
9164445630542186
1039399387001683
11116102059058a5
124503a46ba5643
1318ca466940177
149a2d24a672b9
15484d06164e23
hex23d562777353

39399387001683 has 32 divisors (see below), whose sum is σ = 58758536643840. Its totient is φ = 23336723450880.

The previous prime is 39399387001661. The next prime is 39399387001693. The reversal of 39399387001683 is 38610078399393.

It is not a de Polignac number, because 39399387001683 - 26 = 39399387001619 is a prime.

It is a super-2 number, since 2×393993870016832 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39399387001643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72076185 + ... + 72620762.

It is an arithmetic number, because the mean of its divisors is an integer number (1836204270120).

Almost surely, 239399387001683 is an apocalyptic number.

39399387001683 is a deficient number, since it is larger than the sum of its proper divisors (19359149642157).

39399387001683 is a wasteful number, since it uses less digits than its factorization.

39399387001683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144697267.

The product of its (nonzero) digits is 158723712, while the sum is 69.

The spelling of 39399387001683 in words is "thirty-nine trillion, three hundred ninety-nine billion, three hundred eighty-seven million, one thousand, six hundred eighty-three".

Divisors: 1 3 17 19 51 57 281 323 843 969 4777 5339 14331 16017 90763 272289 144696947 434090841 2459848099 2749241993 7379544297 8247725979 40659842107 46737113881 121979526321 140211341643 691217315819 772537000033 2073651947457 2317611000099 13133129000561 39399387001683