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30676821904 = 24437872
BaseRepresentation
bin11100100100011110…
…110010011110010000
32221011220212000111001
4130210132302132100
51000311231300104
622032010431344
72134125453361
oct344436623620
987156760431
1030676821904
11120122a2383
125b41732554
132b7b67a631
1416b02abb68
15be826daa4
hex7247b2790

30676821904 has 15 divisors (see below), whose sum is σ = 59437699867. Its totient is φ = 15338060656.

The previous prime is 30676821881. The next prime is 30676821913. The reversal of 30676821904 is 40912867603.

The square root of 30676821904 is 175148.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 678699 + ... + 722485.

Almost surely, 230676821904 is an apocalyptic number.

30676821904 is the 175148-th square number.

It is an amenable number.

30676821904 is a deficient number, since it is larger than the sum of its proper divisors (28760877963).

30676821904 is an frugal number, since it uses more digits than its factorization.

30676821904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87582 (or 43789 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 30676821904 in words is "thirty billion, six hundred seventy-six million, eight hundred twenty-one thousand, nine hundred four".

Divisors: 1 2 4 8 16 43787 87574 175148 350296 700592 1917301369 3834602738 7669205476 15338410952 30676821904