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404302312220101 = 531901760108201
BaseRepresentation
bin101101111101101011111011…
…1101100111010010111000101
31222000111220221021201210111121
41123323113313230322113011
5410443042113412020401
63551513530153033541
7151105610124256441
oct13373276754722705
91860456837653447
10404302312220101
11107906714121769
12394185b63b58b1
1314479710208459
1471ba49cc19821
1531b1c6e77eca1
hex16fb5f7b3a5c5

404302312220101 has 4 divisors (see below), whose sum is σ = 404303072860204. Its totient is φ = 404301551580000.

The previous prime is 404302312220099. The next prime is 404302312220137. The reversal of 404302312220101 is 101022213203404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143620330588900 + 260681981631201 = 11984170^2 + 16145649^2 .

It is a cyclic number.

It is not a de Polignac number, because 404302312220101 - 21 = 404302312220099 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 (404302312220701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379522200 + ... + 380586001.

It is an arithmetic number, because the mean of its divisors is an integer number (101075768215051).

Almost surely, 2404302312220101 is an apocalyptic number.

It is an amenable number.

404302312220101 is a deficient number, since it is larger than the sum of its proper divisors (760640103).

404302312220101 is an equidigital number, since it uses as much as digits as its factorization.

404302312220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760640102.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 404302312220101 its reverse (101022213203404), we get a palindrome (505324525423505).

The spelling of 404302312220101 in words is "four hundred four trillion, three hundred two billion, three hundred twelve million, two hundred twenty thousand, one hundred one".

Divisors: 1 531901 760108201 404302312220101