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407000074081 is a prime number
BaseRepresentation
bin1011110110000110001…
…10000100011101100001
31102220112112102222101211
411323003012010131201
523132014004332311
6510550120030121
741255561356156
oct5730306043541
91386475388354
10407000074081
11147675a27697
1266a67602341
132c4c296bc03
14159adb3c22d
15a8c1229821
hex5ec3184761

407000074081 has 2 divisors, whose sum is σ = 407000074082. Its totient is φ = 407000074080.

The previous prime is 407000074069. The next prime is 407000074099. The reversal of 407000074081 is 180470000704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325841180625 + 81158893456 = 570825^2 + 284884^2 .

It is a cyclic number.

It is not a de Polignac number, because 407000074081 - 29 = 407000073569 is a prime.

It is a super-2 number, since 2×4070000740812 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (407000074981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203500037040 + 203500037041.

It is an arithmetic number, because the mean of its divisors is an integer number (203500037041).

Almost surely, 2407000074081 is an apocalyptic number.

It is an amenable number.

407000074081 is a deficient number, since it is larger than the sum of its proper divisors (1).

407000074081 is an equidigital number, since it uses as much as digits as its factorization.

407000074081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 31.

Adding to 407000074081 its reverse (180470000704), we get a palindrome (587470074785).

The spelling of 407000074081 in words is "four hundred seven billion, seventy-four thousand, eighty-one".