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72008335510689 = 3976612777134807
BaseRepresentation
bin10000010111110110111111…
…010000100100110010100001
3100102221221002201012102210210
4100113312333100210302201
533414241032342320224
6413052101143244333
721111300452560404
oct2027667720446241
9312857081172723
1072008335510689
1120a42622162516
1280ab845a496a9
133124484163306
1413ad317397d3b
1584d17e694429
hex417dbf424ca1

72008335510689 has 32 divisors (see below), whose sum is σ = 97183371914496. Its totient is φ = 47421342904320.

The previous prime is 72008335510589. The next prime is 72008335510729. The reversal of 72008335510689 is 98601553380027.

It is a happy number.

It is not a de Polignac number, because 72008335510689 - 227 = 72008201292961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72008335510589) 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 31 ways as a sum of consecutive naturals, for example, 534091324 + ... + 534226130.

It is an arithmetic number, because the mean of its divisors is an integer number (3036980372328).

Almost surely, 272008335510689 is an apocalyptic number.

It is an amenable number.

72008335510689 is a deficient number, since it is larger than the sum of its proper divisors (25175036403807).

72008335510689 is a wasteful number, since it uses less digits than its factorization.

72008335510689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138345.

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 72008335510689 in words is "seventy-two trillion, eight billion, three hundred thirty-five million, five hundred ten thousand, six hundred eighty-nine".

Divisors: 1 3 97 291 661 1983 2777 8331 64117 134807 192351 269369 404421 808107 1835597 5506791 13076279 39228837 89107427 178052909 267322281 374359039 534158727 1123077117 8643420419 25930261257 36312826783 108938480349 247451324779 742353974337 24002778503563 72008335510689