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3012389434 = 21506194717
BaseRepresentation
bin1011001110001101…
…0110101000111010
321202221100020110001
42303203112220322
522132132430214
61214525543214
7134435613325
oct26343265072
97687306401
103012389434
11130646284a
12700a14b0a
13390131872
1420810d7bc
151296dec74
hexb38d6a3a

3012389434 has 4 divisors (see below), whose sum is σ = 4518584154. Its totient is φ = 1506194716.

The previous prime is 3012389399. The next prime is 3012389437. The reversal of 3012389434 is 4349832103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4349832103 = 6171308723.

It can be written as a sum of positive squares in only one way, i.e., 2804020209 + 208369225 = 52953^2 + 14435^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3012389393 and 3012389402.

It is not an unprimeable number, because it can be changed into a prime (3012389437) by changing a digit.

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 as a sum of consecutive naturals, namely, 753097357 + ... + 753097360.

Almost surely, 23012389434 is an apocalyptic number.

3012389434 is a deficient number, since it is larger than the sum of its proper divisors (1506194720).

3012389434 is a wasteful number, since it uses less digits than its factorization.

3012389434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506194719.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 3012389434 is about 54885.2387623485. The cubic root of 3012389434 is about 1444.2322496502.

The spelling of 3012389434 in words is "three billion, twelve million, three hundred eighty-nine thousand, four hundred thirty-four".

Divisors: 1 2 1506194717 3012389434