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30020226442 = 219241579261
BaseRepresentation
bin11011111101010110…
…000100110110001010
32212111011100111211121
4123331112010312022
5442440134221232
621442513345454
72111633500033
oct337526046612
985434314747
1030020226442
11118056a94a8
12599986828a
132aa56275cb
14164add1a8a
15baa7c1d97
hex6fd584d8a

30020226442 has 12 divisors (see below), whose sum is σ = 47525096466. Its totient is φ = 14220106920.

The previous prime is 30020226437. The next prime is 30020226491. The reversal of 30020226442 is 24462202003.

It can be written as a sum of positive squares in only one way, i.e., 22251390561 + 7768835881 = 149169^2 + 88141^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 20788909 + ... + 20790352.

Almost surely, 230020226442 is an apocalyptic number.

30020226442 is a deficient number, since it is larger than the sum of its proper divisors (17504870024).

30020226442 is a wasteful number, since it uses less digits than its factorization.

30020226442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41579301 (or 41579282 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30020226442 its reverse (24462202003), we get a palindrome (54482428445).

The spelling of 30020226442 in words is "thirty billion, twenty million, two hundred twenty-six thousand, four hundred forty-two".

Divisors: 1 2 19 38 361 722 41579261 83158522 790005959 1580011918 15010113221 30020226442