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3072122842 = 21536061421
BaseRepresentation
bin1011011100011100…
…1101111111011010
321221002202000021111
42313013031333122
522242430412332
61224502130534
7136062420235
oct26707157732
97832660244
103072122842
1113371513a8
12718a20a4a
1339c617389
1421201c41c
1512ea8d947
hexb71cdfda

3072122842 has 4 divisors (see below), whose sum is σ = 4608184266. Its totient is φ = 1536061420.

The previous prime is 3072122827. The next prime is 3072122881. The reversal of 3072122842 is 2482212703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2482212703 = 3683367391.

It can be written as a sum of positive squares in only one way, i.e., 1914150001 + 1157972841 = 43751^2 + 34029^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 768030709 + ... + 768030712.

Almost surely, 23072122842 is an apocalyptic number.

3072122842 is a deficient number, since it is larger than the sum of its proper divisors (1536061424).

3072122842 is a wasteful number, since it uses less digits than its factorization.

3072122842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536061423.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 3072122842 is about 55426.7340008411. The cubic root of 3072122842 is about 1453.7158506331.

The spelling of 3072122842 in words is "three billion, seventy-two million, one hundred twenty-two thousand, eight hundred forty-two".

Divisors: 1 2 1536061421 3072122842