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18875124341 = 281599112139
BaseRepresentation
bin10001100101000010…
…111000101001110101
31210201102212122221022
4101211002320221311
5302124012434331
612400543230525
71235512624013
oct214502705165
953642778838
1018875124341
118006574317
1237a92a8445
131a1a627538
14cb0b4d8b3
1575711e67b
hex4650b8a75

18875124341 has 8 divisors (see below), whose sum is σ = 18974088000. Its totient is φ = 18776386720.

The previous prime is 18875124277. The next prime is 18875124391. The reversal of 18875124341 is 14342157881.

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

It is a cyclic number.

It is not a de Polignac number, because 18875124341 - 26 = 18875124277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18875124292 and 18875124301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18875124391) 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, 112250 + ... + 224388.

It is an arithmetic number, because the mean of its divisors is an integer number (2371761000).

Almost surely, 218875124341 is an apocalyptic number.

It is an amenable number.

18875124341 is a deficient number, since it is larger than the sum of its proper divisors (98963659).

18875124341 is a wasteful number, since it uses less digits than its factorization.

18875124341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113019.

The product of its digits is 215040, while the sum is 44.

The spelling of 18875124341 in words is "eighteen billion, eight hundred seventy-five million, one hundred twenty-four thousand, three hundred forty-one".

Divisors: 1 281 599 112139 168319 31511059 67171261 18875124341