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18074313213047 = 7131511315356467
BaseRepresentation
bin1000001110000010000010…
…00001001100010001110111
32100222212221222001000112122
410013001001001030101313
54332112143140304142
6102235120323110155
73543553221300410
oct407010101142167
970885858030478
1018074313213047
115839300681103
12203ab0ab1235b
13a115289616a0
14466b3118a807
1521524aead1d2
hex10704104c477

18074313213047 has 16 divisors (see below), whose sum is σ = 22392628511232. Its totient is φ = 14205849832800.

The previous prime is 18074313213013. The next prime is 18074313213053. The reversal of 18074313213047 is 74031231347081.

It is a cyclic number.

It is not a de Polignac number, because 18074313213047 - 216 = 18074313147511 is a prime.

It is a super-2 number, since 2×180743132130472 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18074313212989 and 18074313213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18074313213947) 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, 657664493 + ... + 657691974.

It is an arithmetic number, because the mean of its divisors is an integer number (1399539281952).

Almost surely, 218074313213047 is an apocalyptic number.

18074313213047 is a deficient number, since it is larger than the sum of its proper divisors (4318315298185).

18074313213047 is a wasteful number, since it uses less digits than its factorization.

18074313213047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315356638.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 18074313213047 in words is "eighteen trillion, seventy-four billion, three hundred thirteen million, two hundred thirteen thousand, forty-seven".

Divisors: 1 7 13 91 151 1057 1963 13741 1315356467 9207495269 17099634071 119697438497 198618826517 1390331785619 2582044744721 18074313213047