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30481347584 = 21029766941
BaseRepresentation
bin11100011000110101…
…000111010000000000
32220200022000220010102
4130120311013100000
5444411211110314
622000345021532
72126233115402
oct343065072000
986608026112
1030481347584
1111a21a20656
125aa81848a8
132b4a01925c
141692346b72
15bd600a5de
hex718d47400

30481347584 has 22 divisors (see below), whose sum is σ = 60932930274. Its totient is φ = 15240673280.

The previous prime is 30481347577. The next prime is 30481347643. The reversal of 30481347584 is 48574318403.

It can be written as a sum of positive squares in only one way, i.e., 22332313600 + 8149033984 = 149440^2 + 90272^2 .

It is a super-2 number, since 2×304813475842 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14882447 + ... + 14884494.

Almost surely, 230481347584 is an apocalyptic number.

It is an amenable number.

30481347584 is a deficient number, since it is larger than the sum of its proper divisors (30451582690).

30481347584 is an equidigital number, since it uses as much as digits as its factorization.

30481347584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29766961 (or 29766943 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 30481347584 in words is "thirty billion, four hundred eighty-one million, three hundred forty-seven thousand, five hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 29766941 59533882 119067764 238135528 476271056 952542112 1905084224 3810168448 7620336896 15240673792 30481347584