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18352339212693 = 371111227774643
BaseRepresentation
bin1000010110000111111001…
…01010001101100110010101
32101222110121002000011121210
410023003330222031212111
54401141042314301233
6103010540453132033
73602625034302063
oct413037452154625
971873532004553
1018352339212693
11593620204a732
12208498132a019
13a31806142505
14476387b99033
1521c5be477163
hex10b0fca8d995

18352339212693 has 16 divisors (see below), whose sum is σ = 24814685615616. Its totient is φ = 12062446352880.

The previous prime is 18352339212677. The next prime is 18352339212703. The reversal of 18352339212693 is 39621293325381.

It is not a de Polignac number, because 18352339212693 - 24 = 18352339212677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18352339212673) 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, 23304030 + ... + 24078672.

It is an arithmetic number, because the mean of its divisors is an integer number (1550917850976).

Almost surely, 218352339212693 is an apocalyptic number.

It is an amenable number.

18352339212693 is a deficient number, since it is larger than the sum of its proper divisors (6462346402923).

18352339212693 is a wasteful number, since it uses less digits than its factorization.

18352339212693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885944.

The product of its digits is 12597120, while the sum is 57.

The spelling of 18352339212693 in words is "eighteen trillion, three hundred fifty-two billion, three hundred thirty-nine million, two hundred twelve thousand, six hundred ninety-three".

Divisors: 1 3 71 213 111227 333681 774643 2323929 7897117 23691351 54999653 164998959 86161216961 258483650883 6117446404231 18352339212693