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3032011981 is a prime number
BaseRepresentation
bin1011010010111000…
…1101010011001101
321211022021011112001
42310232031103031
522202143340411
61220510312301
7135064451035
oct26456152315
97738234461
103032011981
111316545529
127074b8691
1339421223b
1420a97a8c5
1512b2b8dc1
hexb4b8d4cd

3032011981 has 2 divisors, whose sum is σ = 3032011982. Its totient is φ = 3032011980.

The previous prime is 3032011949. The next prime is 3032012029. The reversal of 3032011981 is 1891102303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2040328900 + 991683081 = 45170^2 + 31491^2 .

It is a cyclic number.

It is not a de Polignac number, because 3032011981 - 25 = 3032011949 is a prime.

It is a super-2 number, since 2×30320119812 = 18386193305855088722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3032011901) 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, 1516005990 + 1516005991.

It is an arithmetic number, because the mean of its divisors is an integer number (1516005991).

Almost surely, 23032011981 is an apocalyptic number.

It is an amenable number.

3032011981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3032011981 is an equidigital number, since it uses as much as digits as its factorization.

3032011981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 3032011981 is about 55063.7083840164. The cubic root of 3032011981 is about 1447.3613495999.

The spelling of 3032011981 in words is "three billion, thirty-two million, eleven thousand, nine hundred eighty-one".