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4818121053487 = 71686314081711
BaseRepresentation
bin100011000011100111001…
…1001001101010100101111
3122001121102010210100002221
41012013032121031110233
51112420002442202422
614125225251300211
71005045350136640
oct106071631152457
918047363710087
104818121053487
1115983987aa025
1265994abaa667
1328c4680aac61
141292ac2036c7
15854e50b83c7
hex461ce64d52f

4818121053487 has 8 divisors (see below), whose sum is σ = 5506458063872. Its totient is φ = 4129792543800.

The previous prime is 4818121053481. The next prime is 4818121053509. The reversal of 4818121053487 is 7843501218184.

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

It is not a de Polignac number, because 4818121053487 - 23 = 4818121053479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4818121053481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860439 + ... + 3221272.

It is an arithmetic number, because the mean of its divisors is an integer number (688307257984).

Almost surely, 24818121053487 is an apocalyptic number.

4818121053487 is a deficient number, since it is larger than the sum of its proper divisors (688337010385).

4818121053487 is a wasteful number, since it uses less digits than its factorization.

4818121053487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250349.

The product of its (nonzero) digits is 1720320, while the sum is 52.

The spelling of 4818121053487 in words is "four trillion, eight hundred eighteen billion, one hundred twenty-one million, fifty-three thousand, four hundred eighty-seven".

Divisors: 1 7 168631 1180417 4081711 28571977 688303007641 4818121053487