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4405422304421 = 20895261400849
BaseRepresentation
bin100000000011011011110…
…1000011010110010100101
3120121011011110021200020122
41000012313220122302211
51034134301102220141
613211453441011325
7633165320510615
oct100066750326245
916534143250218
104405422304421
111449369050596
125b1973023b45
1325c577916218
1411331b6d2a45
15798dd92764b
hex401b7a1aca5

4405422304421 has 8 divisors (see below), whose sum is σ = 4408379943000. Its totient is φ = 4402465482240.

The previous prime is 4405422304417. The next prime is 4405422304487. The reversal of 4405422304421 is 1244032245044.

It can be written as a sum of positive squares in 4 ways, for example, as 2449494187396 + 1955928117025 = 1565086^2 + 1398545^2 .

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 4405422304421 - 22 = 4405422304417 is a prime.

It is a super-2 number, since 2×44054223044212 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405422304021) 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 7 ways as a sum of consecutive naturals, for example, 10789805 + ... + 11190653.

It is an arithmetic number, because the mean of its divisors is an integer number (551047492875).

Almost surely, 24405422304421 is an apocalyptic number.

It is an amenable number.

4405422304421 is a deficient number, since it is larger than the sum of its proper divisors (2957638579).

4405422304421 is a wasteful number, since it uses less digits than its factorization.

4405422304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408199.

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 4405422304421 its reverse (1244032245044), we get a palindrome (5649454549465).

The spelling of 4405422304421 in words is "four trillion, four hundred five billion, four hundred twenty-two million, three hundred four thousand, four hundred twenty-one".

Divisors: 1 2089 5261 400849 10990229 837373561 2108866589 4405422304421