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330030030431421 = 344758185631761
BaseRepresentation
bin100101100001010010001101…
…0101110101010010010111101
31121021112120012021012022210000
41023002210122232222102331
5321224203000242301141
63125525411455504513
7126341611546501425
oct11302443256522275
91537476167168700
10330030030431421
1196180a4a34a141
1231022045528139
131121c9103025c8
145b6d7782ad485
152824c89c735b6
hex12c291abaa4bd

330030030431421 has 20 divisors (see below), whose sum is σ = 493018190437564. Its totient is φ = 220015393603200.

The previous prime is 330030030431419. The next prime is 330030030431449. The reversal of 330030030431421 is 124134030030033.

330030030431421 is a `hidden beast` number, since 3 + 3 + 0 + 0 + 300 + 304 + 31 + 4 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 168669182052900 + 161360848378521 = 12987270^2 + 12702789^2 .

It is not a de Polignac number, because 330030030431421 - 21 = 330030030431419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330030030431461) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38961820 + ... + 46669941.

Almost surely, 2330030030431421 is an apocalyptic number.

It is an amenable number.

330030030431421 is a deficient number, since it is larger than the sum of its proper divisors (162988160006143).

330030030431421 is an equidigital number, since it uses as much as digits as its factorization.

330030030431421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85679354 (or 85679345 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 330030030431421 its reverse (124134030030033), we get a palindrome (454164060461454).

The spelling of 330030030431421 in words is "three hundred thirty trillion, thirty billion, thirty million, four hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 3 9 27 81 47581 142743 428229 1284687 3854061 85631761 256895283 770685849 2312057547 6936172641 4074444820141 12223334460423 36670003381269 110010010143807 330030030431421