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30006742544 = 2410917205701
BaseRepresentation
bin11011111100100010…
…101000111000010000
32212110012222110101222
4123330202220320100
5442423211230134
621441312344212
72111411050262
oct337442507020
985405873358
1030006742544
11117a9029889
125995245068
132aa28b607c
1416492c1b32
15ba950ba2e
hex6fc8a8e10

30006742544 has 20 divisors (see below), whose sum is σ = 58671443820. Its totient is φ = 14865724800.

The previous prime is 30006742537. The next prime is 30006742553. The reversal of 30006742544 is 44524760003.

It can be written as a sum of positive squares in 2 ways, for example, as 8017411600 + 21989330944 = 89540^2 + 148288^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8601107 + ... + 8604594.

It is an arithmetic number, because the mean of its divisors is an integer number (2933572191).

Almost surely, 230006742544 is an apocalyptic number.

It is an amenable number.

30006742544 is a deficient number, since it is larger than the sum of its proper divisors (28664701276).

30006742544 is a wasteful number, since it uses less digits than its factorization.

30006742544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17205818 (or 17205812 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 30006742544 in words is "thirty billion, six million, seven hundred forty-two thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 109 218 436 872 1744 17205701 34411402 68822804 137645608 275291216 1875421409 3750842818 7501685636 15003371272 30006742544