Search a number
-
+
71412101 is a prime number
BaseRepresentation
bin1000100000110…
…10100110000101
311222101002222122
410100122212011
5121240141401
611030335325
71524664355
oct420324605
9158332878
1071412101
1137345a72
121baba545
1311a444a7
1496acb65
15640921b
hex441a985

71412101 has 2 divisors, whose sum is σ = 71412102. Its totient is φ = 71412100.

The previous prime is 71412091. The next prime is 71412137. The reversal of 71412101 is 10121417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70123876 + 1288225 = 8374^2 + 1135^2 .

It is an emirp because it is prime and its reverse (10121417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71412101 - 218 = 71149957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71412101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71412301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35706050 + 35706051.

It is an arithmetic number, because the mean of its divisors is an integer number (35706051).

Almost surely, 271412101 is an apocalyptic number.

It is an amenable number.

71412101 is a deficient number, since it is larger than the sum of its proper divisors (1).

71412101 is an equidigital number, since it uses as much as digits as its factorization.

71412101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 71412101 is about 8450.5680874128. The cubic root of 71412101 is about 414.8813731681.

Adding to 71412101 its reverse (10121417), we get a palindrome (81533518).

The spelling of 71412101 in words is "seventy-one million, four hundred twelve thousand, one hundred one".