Search a number
-
+
102006791 is a prime number
BaseRepresentation
bin1100001010010…
…00000000000111
321002221111000022
412011020000013
5202103204131
614042205355
72346020615
oct605100007
9232844008
10102006791
1152642237
122a1b385b
1318197063
14d7946b5
158e4e37b
hex6148007

102006791 has 2 divisors, whose sum is σ = 102006792. Its totient is φ = 102006790.

The previous prime is 102006721. The next prime is 102006799. The reversal of 102006791 is 197600201.

It is a strong prime.

It is an emirp because it is prime and its reverse (197600201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102006791 - 210 = 102005767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102006791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102006799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51003395 + 51003396.

It is an arithmetic number, because the mean of its divisors is an integer number (51003396).

Almost surely, 2102006791 is an apocalyptic number.

102006791 is a deficient number, since it is larger than the sum of its proper divisors (1).

102006791 is an equidigital number, since it uses as much as digits as its factorization.

102006791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 102006791 is about 10099.8411373645. The cubic root of 102006791 is about 467.2432418160.

Adding to 102006791 its reverse (197600201), we get a palindrome (299606992).

The spelling of 102006791 in words is "one hundred two million, six thousand, seven hundred ninety-one".