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104123014021 = 132616112509
BaseRepresentation
bin110000011111000110…
…1110001101110000101
3100221202111211011012201
41200332031301232011
53201220442422041
6115500005314501
710344160005355
oct1407615615605
9327674734181
10104123014021
11401817aa604
121821a705a31
139a84a71c00
14507a876b65
152a961ad631
hex183e371b85

104123014021 has 6 divisors (see below), whose sum is σ = 112748589330. Its totient is φ = 96113551248.

The previous prime is 104123014001. The next prime is 104123014033. The reversal of 104123014021 is 120410321401.

It can be written as a sum of positive squares in 3 ways, for example, as 5847660900 + 98275353121 = 76470^2 + 313489^2 .

It is not a de Polignac number, because 104123014021 - 211 = 104123011973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104123014021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104123014001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308056086 + ... + 308056423.

It is an arithmetic number, because the mean of its divisors is an integer number (18791431555).

Almost surely, 2104123014021 is an apocalyptic number.

It is an amenable number.

104123014021 is a deficient number, since it is larger than the sum of its proper divisors (8625575309).

104123014021 is an equidigital number, since it uses as much as digits as its factorization.

104123014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616112535 (or 616112522 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 104123014021 its reverse (120410321401), we get a palindrome (224533335422).

The spelling of 104123014021 in words is "one hundred four billion, one hundred twenty-three million, fourteen thousand, twenty-one".

Divisors: 1 13 169 616112509 8009462617 104123014021