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4442102130221 = 719237691888351
BaseRepresentation
bin100000010100100000111…
…1010110110011000101101
3120201122211201211212222022
41000221001322312120231
51040234411121131341
613240401252555525
7635634301053350
oct100510172663055
916648751755868
104442102130221
111462980935608
125b8aab022ba5
13262b71b71962
14114ddad52297
157a838bc3e4b
hex40a41eb662d

4442102130221 has 32 divisors (see below), whose sum is σ = 5583479193600. Its totient is φ = 3445800652800.

The previous prime is 4442102130211. The next prime is 4442102130227. The reversal of 4442102130221 is 1220312012444.

It is a cyclic number.

It is not a de Polignac number, because 4442102130221 - 26 = 4442102130157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442102130227) 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 31 ways as a sum of consecutive naturals, for example, 1408196 + ... + 3296546.

It is an arithmetic number, because the mean of its divisors is an integer number (174483724800).

Almost surely, 24442102130221 is an apocalyptic number.

It is an amenable number.

4442102130221 is a deficient number, since it is larger than the sum of its proper divisors (1141377063379).

4442102130221 is a wasteful number, since it uses less digits than its factorization.

4442102130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889169.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 4442102130221 its reverse (1220312012444), we get a palindrome (5662414142665).

The spelling of 4442102130221 in words is "four trillion, four hundred forty-two billion, one hundred two million, one hundred thirty thousand, two hundred twenty-one".

Divisors: 1 7 19 23 133 161 437 769 3059 5383 14611 17687 102277 123809 336053 1888351 2352371 13218457 35878669 43432073 251150683 304024511 825209387 1452141919 5776465709 10164993433 27590696461 33399264137 193134875227 233794848959 634586018603 4442102130221