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30640703008 = 258161117329
BaseRepresentation
bin11100100010010101…
…000000011000100000
32221002101212222200011
4130202111000120200
51000223004444013
622024240334304
72133206451436
oct344225003040
987071788604
1030640703008
1111aa3972753
125b31614394
132b740424c6
1416a9588d56
15be4ed6c3d
hex722540620

30640703008 has 24 divisors (see below), whose sum is σ = 60331789980. Its totient is φ = 15318343680.

The previous prime is 30640702969. The next prime is 30640703047. The reversal of 30640703008 is 80030704603.

It is an interprime number because it is at equal distance from previous prime (30640702969) and next prime (30640703047).

It can be written as a sum of positive squares in 2 ways, for example, as 26377657744 + 4263045264 = 162412^2 + 65292^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202488 + ... + 319816.

Almost surely, 230640703008 is an apocalyptic number.

It is an amenable number.

30640703008 is a deficient number, since it is larger than the sum of its proper divisors (29691086972).

30640703008 is a wasteful number, since it uses less digits than its factorization.

30640703008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125500 (or 125492 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 30640703008 in words is "thirty billion, six hundred forty million, seven hundred three thousand, eight".

Divisors: 1 2 4 8 16 32 8161 16322 32644 65288 117329 130576 234658 261152 469316 938632 1877264 3754528 957521969 1915043938 3830087876 7660175752 15320351504 30640703008