Search a number
-
+
101392769 is a prime number
BaseRepresentation
bin1100000101100…
…10000110000001
321001210021201202
412002302012001
5201424032034
614021110545
72340552512
oct602620601
9231707652
10101392769
1152262985
1229b58455
131801072a
14d674a09
158d7c47e
hex60b2181

101392769 has 2 divisors, whose sum is σ = 101392770. Its totient is φ = 101392768.

The previous prime is 101392751. The next prime is 101392783. The reversal of 101392769 is 967293101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68674369 + 32718400 = 8287^2 + 5720^2 .

It is a cyclic number.

It is not a de Polignac number, because 101392769 - 212 = 101388673 is a prime.

It is a super-2 number, since 2×1013927692 = 20560987210974722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101392069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50696384 + 50696385.

It is an arithmetic number, because the mean of its divisors is an integer number (50696385).

Almost surely, 2101392769 is an apocalyptic number.

It is an amenable number.

101392769 is a deficient number, since it is larger than the sum of its proper divisors (1).

101392769 is an equidigital number, since it uses as much as digits as its factorization.

101392769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 101392769 is about 10069.3976483204. The cubic root of 101392769 is about 466.3038428716.

The spelling of 101392769 in words is "one hundred one million, three hundred ninety-two thousand, seven hundred sixty-nine".