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2401784081 is a prime number
BaseRepresentation
bin1000111100101000…
…0101000100010001
320012101101021100222
42033022011010101
514404324042311
61034154322425
7113342553644
oct21712050421
96171337328
102401784081
111022820a24
12570429415
132c3791a18
1418ada5a5b
15e0cc9adb
hex8f285111

2401784081 has 2 divisors, whose sum is σ = 2401784082. Its totient is φ = 2401784080.

The previous prime is 2401784057. The next prime is 2401784101. The reversal of 2401784081 is 1804871042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2305920400 + 95863681 = 48020^2 + 9791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2401784081 is a prime.

It is a super-2 number, since 2×24017840812 = 11537133543490029122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2401784051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200892040 + 1200892041.

It is an arithmetic number, because the mean of its divisors is an integer number (1200892041).

Almost surely, 22401784081 is an apocalyptic number.

It is an amenable number.

2401784081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401784081 is an equidigital number, since it uses as much as digits as its factorization.

2401784081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 2401784081 is about 49008.0001734411. Note that the first 3 decimals coincide. The cubic root of 2401784081 is about 1339.1975742724.

The spelling of 2401784081 in words is "two billion, four hundred one million, seven hundred eighty-four thousand, eighty-one".