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1868540028059 = 13746729205521
BaseRepresentation
bin11011001100001101101…
…010100010010010011011
320121122000202201100100102
4123030031222202102123
5221103232221344214
63550221225330015
7251666110115525
oct33141552422233
96548022640312
101868540028059
11660497151181
1226217633690b
13107283073b23
146661b540a15
1533911dc9bde
hex1b30daa249b

1868540028059 has 8 divisors (see below), whose sum is σ = 1886209432848. Its totient is φ = 1850929035520.

The previous prime is 1868540028001. The next prime is 1868540028077. The reversal of 1868540028059 is 9508200458681.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1868540028059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1868540027995 and 1868540028013.

It is not an unprimeable number, because it can be changed into a prime (1868540028659) 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, 14538782 + ... + 14666739.

It is an arithmetic number, because the mean of its divisors is an integer number (235776179106).

Almost surely, 21868540028059 is an apocalyptic number.

1868540028059 is a deficient number, since it is larger than the sum of its proper divisors (17669404789).

1868540028059 is a wasteful number, since it uses less digits than its factorization.

1868540028059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29206125.

The product of its (nonzero) digits is 5529600, while the sum is 56.

The spelling of 1868540028059 in words is "one trillion, eight hundred sixty-eight billion, five hundred forty million, twenty-eight thousand, fifty-nine".

Divisors: 1 137 467 63979 29205521 4001156377 13638978307 1868540028059