Search a number
-
+
100000007 is a prime number
BaseRepresentation
bin1011111010111…
…10000100000111
320222011112012222
411331132010013
5201100000012
613531202555
72322662132
oct575360407
9228145188
10100000007
11514a1538
12295a645b
1317943803
14d3d1219
158ba4972
hex5f5e107

100000007 has 2 divisors, whose sum is σ = 100000008. Its totient is φ = 100000006.

The previous prime is 99999989. The next prime is 100000037. The reversal of 100000007 is 700000001.

Adding to 100000007 its reverse (700000001), we get a palindrome (800000008).

It is a weak prime.

It is an emirp because it is prime and its reverse (700000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100000007 - 224 = 83222791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000003 + 50000004.

It is an arithmetic number, because the mean of its divisors is an integer number (50000004).

Almost surely, 2100000007 is an apocalyptic number.

100000007 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000007 is an equidigital number, since it uses as much as digits as its factorization.

100000007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7, while the sum is 8.

The square root of 100000007 is about 10000.0003500000. Note that the first 3 decimals coincide. The cubic root of 100000007 is about 464.1588941917.

The spelling of 100000007 in words is "one hundred million, seven", and thus it is an aban number.