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4048968731 is a prime number
BaseRepresentation
bin1111000101010110…
…0101110000011011
3101110011211220220212
43301111211300123
531243013444411
61505435241335
7202223444363
oct36125456033
911404756825
104048968731
1117985a0155
1294bba924b
134c6b085b2
142a5a5d9a3
1518a6e968b
hexf1565c1b

4048968731 has 2 divisors, whose sum is σ = 4048968732. Its totient is φ = 4048968730.

The previous prime is 4048968713. The next prime is 4048968739. The reversal of 4048968731 is 1378698404.

Together with previous prime (4048968713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4048968731 - 26 = 4048968667 is a prime.

It is a super-2 number, since 2×40489687312 = 32788295569231500722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4048968731.

It is not a weakly prime, because it can be changed into another prime (4048968739) 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, 2024484365 + 2024484366.

It is an arithmetic number, because the mean of its divisors is an integer number (2024484366).

Almost surely, 24048968731 is an apocalyptic number.

4048968731 is a deficient number, since it is larger than the sum of its proper divisors (1).

4048968731 is an equidigital number, since it uses as much as digits as its factorization.

4048968731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 4048968731 is about 63631.5073764562. The cubic root of 4048968731 is about 1593.8525476171.

The spelling of 4048968731 in words is "four billion, forty-eight million, nine hundred sixty-eight thousand, seven hundred thirty-one".