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18106926427476 = 22322812709166071
BaseRepresentation
bin1000001110111110110001…
…11010101110110101010100
32101010000010211112222012100
410013133120322232311110
54333130441131134401
6102302112425322100
73546116342115255
oct407373072566524
971100124488170
1018106926427476
115851116a15887
1220452b1036330
13a146255453c3
144685466b6b2c
15216009227b86
hex1077d8eaed54

18106926427476 has 72 divisors (see below), whose sum is σ = 45935560577088. Its totient is φ = 6013849968000.

The previous prime is 18106926427463. The next prime is 18106926427477. The reversal of 18106926427476 is 67472462960181.

18106926427476 is a `hidden beast` number, since 1 + 8 + 10 + 6 + 92 + 64 + 2 + 7 + 476 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18106926427477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274019521 + ... + 274085591.

It is an arithmetic number, because the mean of its divisors is an integer number (637993896904).

Almost surely, 218106926427476 is an apocalyptic number.

It is an amenable number.

18106926427476 is an abundant number, since it is smaller than the sum of its proper divisors (27828634149612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18106926427476 is a wasteful number, since it uses less digits than its factorization.

18106926427476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93453 (or 93448 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 18106926427476 in words is "eighteen trillion, one hundred six billion, nine hundred twenty-six million, four hundred twenty-seven thousand, four hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 281 562 843 1124 1686 2529 3372 5058 10116 27091 54182 66071 81273 108364 132142 162546 198213 243819 264284 325092 396426 487638 594639 792852 975276 1189278 2378556 7612571 15225142 18565951 22837713 30450284 37131902 45675426 55697853 68513139 74263804 91350852 111395706 137026278 167093559 222791412 274052556 334187118 668374236 1789929461 3579858922 5369788383 7159717844 10739576766 16109365149 21479153532 32218730298 64437460596 502970178541 1005940357082 1508910535623 2011880714164 3017821071246 4526731606869 6035642142492 9053463213738 18106926427476