Search a number
-
+
4430220321268 = 227158222154331
BaseRepresentation
bin100000001110111110110…
…1101010110000111110100
3120200112011200010110021001
41000131331231112013310
51040041042400240033
613231114244333044
7635033663255050
oct100357555260764
916615150113231
104430220321268
11145893396a695
125b67339a4184
132619ca34c881
141145d0cdcc60
157a3909ece7d
hex4077db561f4

4430220321268 has 12 divisors (see below), whose sum is σ = 8860440642592. Its totient is φ = 1898665851960.

The previous prime is 4430220321203. The next prime is 4430220321269. The reversal of 4430220321268 is 8621230220344.

It is a happy number.

4430220321268 is an admirable number.

It is a super-2 number, since 2×44302203212682 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430220321269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79111077138 + ... + 79111077193.

Almost surely, 24430220321268 is an apocalyptic number.

It is an amenable number.

4430220321268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4430220321268 is a wasteful number, since it uses less digits than its factorization.

4430220321268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158222154342 (or 158222154340 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 4430220321268 in words is "four trillion, four hundred thirty billion, two hundred twenty million, three hundred twenty-one thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 14 28 158222154331 316444308662 632888617324 1107555080317 2215110160634 4430220321268