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30722022208 = 262320870939
BaseRepresentation
bin11100100111001011…
…001101101101000000
32221022001220102122101
4130213023031231000
51000404314202313
622040303320144
72135214610603
oct344713155500
987261812571
1030722022208
1112035864aa9
125b548b0054
132b87b45187
1416b62b633a
15bec1eb5dd
hex7272cdb40

30722022208 has 28 divisors (see below), whose sum is σ = 63614625120. Its totient is φ = 14693140352.

The previous prime is 30722022167. The next prime is 30722022217. The reversal of 30722022208 is 80222022703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10433998 + ... + 10436941.

Almost surely, 230722022208 is an apocalyptic number.

It is an amenable number.

30722022208 is an abundant number, since it is smaller than the sum of its proper divisors (32892602912).

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

30722022208 is a wasteful number, since it uses less digits than its factorization.

30722022208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20870974 (or 20870964 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The spelling of 30722022208 in words is "thirty billion, seven hundred twenty-two million, twenty-two thousand, two hundred eight".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 20870939 41741878 83483756 166967512 333935024 480031597 667870048 960063194 1335740096 1920126388 3840252776 7680505552 15361011104 30722022208