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104584409781 = 361571499507
BaseRepresentation
bin110000101100110110…
…1110111001010110101
3100222221200000111012120
41201121231313022311
53203142102103111
6120013450510153
710361461546455
oct1413155671265
9328850014176
10104584409781
114039919a015
1218329135359
139b2952b857
1450c1c5dd65
152ac194d406
hex1859b772b5

104584409781 has 8 divisors (see below), whose sum is σ = 141731877984. Its totient is φ = 68579940720.

The previous prime is 104584409779. The next prime is 104584409789. The reversal of 104584409781 is 187904485401.

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

It is not a de Polignac number, because 104584409781 - 21 = 104584409779 is a prime.

It is a super-2 number, since 2×1045844097812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104584409789) 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, 285749571 + ... + 285749936.

It is an arithmetic number, because the mean of its divisors is an integer number (17716484748).

Almost surely, 2104584409781 is an apocalyptic number.

It is an amenable number.

104584409781 is a deficient number, since it is larger than the sum of its proper divisors (37147468203).

104584409781 is an equidigital number, since it uses as much as digits as its factorization.

104584409781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571499571.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 104584409781 in words is "one hundred four billion, five hundred eighty-four million, four hundred nine thousand, seven hundred eighty-one".

Divisors: 1 3 61 183 571499507 1714498521 34861469927 104584409781