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18290524471418 = 210983901488401
BaseRepresentation
bin1000010100010100110000…
…01101101100000001111010
32101202120001002122221211202
410022022120031230001322
54344132443231041133
6102522315000454202
73565306150542353
oct412123015540172
971676032587752
1018290524471418
115911a7125a6a1
1220749ab77a362
13a28a34733624
144733a22b2d2a
1521aba27582e8
hex10a29836c07a

18290524471418 has 8 divisors (see below), whose sum is σ = 27687491172660. Its totient is φ = 9061360747200.

The previous prime is 18290524471411. The next prime is 18290524471469. The reversal of 18290524471418 is 81417442509281.

It can be written as a sum of positive squares in 2 ways, for example, as 18210216279649 + 80308191769 = 4267343^2 + 283387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18290524471411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41950743983 + ... + 41950744418.

Almost surely, 218290524471418 is an apocalyptic number.

18290524471418 is a deficient number, since it is larger than the sum of its proper divisors (9396966701242).

18290524471418 is a wasteful number, since it uses less digits than its factorization.

18290524471418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83901488512.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 18290524471418 in words is "eighteen trillion, two hundred ninety billion, five hundred twenty-four million, four hundred seventy-one thousand, four hundred eighteen".

Divisors: 1 2 109 218 83901488401 167802976802 9145262235709 18290524471418