Search a number
-
+
99108013 is a prime number
BaseRepresentation
bin1011110100001…
…00010010101101
320220111012122011
411322010102231
5200332424023
613500121221
72312255434
oct572042255
9226435564
1099108013
1150a42354
1229236211
13176c07c4
14d23c11b
158a7a50d
hex5e844ad

99108013 has 2 divisors, whose sum is σ = 99108014. Its totient is φ = 99108012.

The previous prime is 99107963. The next prime is 99108041. The reversal of 99108013 is 31080199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66879684 + 32228329 = 8178^2 + 5677^2 .

It is a cyclic number.

It is not a de Polignac number, because 99108013 - 221 = 97010861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99108043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49554006 + 49554007.

It is an arithmetic number, because the mean of its divisors is an integer number (49554007).

Almost surely, 299108013 is an apocalyptic number.

It is an amenable number.

99108013 is a deficient number, since it is larger than the sum of its proper divisors (1).

99108013 is an equidigital number, since it uses as much as digits as its factorization.

99108013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 99108013 is about 9955.3007488473. The cubic root of 99108013 is about 462.7746805641.

The spelling of 99108013 in words is "ninety-nine million, one hundred eight thousand, thirteen".