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9424160381 is a prime number
BaseRepresentation
bin10001100011011100…
…10100011001111101
3220022210012221200002
420301232110121331
5123300041113011
64155052244045
7452353020146
oct106156243175
926283187602
109424160381
113aa67691a9
1219b0170625
13b7260087c
146558a8acd
153a2563c3b
hex231b9467d

9424160381 has 2 divisors, whose sum is σ = 9424160382. Its totient is φ = 9424160380.

The previous prime is 9424160371. The next prime is 9424160387. The reversal of 9424160381 is 1830614249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9011704900 + 412455481 = 94930^2 + 20309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9424160381 is a prime.

It is a super-2 number, since 2×94241603812 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9424160387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4712080190 + 4712080191.

It is an arithmetic number, because the mean of its divisors is an integer number (4712080191).

Almost surely, 29424160381 is an apocalyptic number.

It is an amenable number.

9424160381 is a deficient number, since it is larger than the sum of its proper divisors (1).

9424160381 is an equidigital number, since it uses as much as digits as its factorization.

9424160381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 9424160381 is about 97078.1148405757. The cubic root of 9424160381 is about 2112.2608816144.

The spelling of 9424160381 in words is "nine billion, four hundred twenty-four million, one hundred sixty thousand, three hundred eighty-one".