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72681027339 = 3314716628009
BaseRepresentation
bin100001110110000100…
…0000111011100001011
320221121021011201222110
41003230020013130023
52142322320333324
653220022353403
75152050352614
oct1035410073413
9227537151873
1072681027339
11289075aa648
121210488b863
136b13a1a46b
143736b0ac0b
151d55b99329
hex10ec20770b

72681027339 has 16 divisors (see below), whose sum is σ = 102162493440. Its totient is φ = 45893302080.

The previous prime is 72681027329. The next prime is 72681027343. The reversal of 72681027339 is 93372018627.

It is not a de Polignac number, because 72681027339 - 236 = 3961550603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72681027329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8309634 + ... + 8318375.

It is an arithmetic number, because the mean of its divisors is an integer number (6385155840).

Almost surely, 272681027339 is an apocalyptic number.

72681027339 is a deficient number, since it is larger than the sum of its proper divisors (29481466101).

72681027339 is a wasteful number, since it uses less digits than its factorization.

72681027339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16628090.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 72681027339 in words is "seventy-two billion, six hundred eighty-one million, twenty-seven thousand, three hundred thirty-nine".

Divisors: 1 3 31 47 93 141 1457 4371 16628009 49884027 515468279 781516423 1546404837 2344549269 24227009113 72681027339