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108895380049 = 3299932
BaseRepresentation
bin110010101101010101…
…0111010001001010001
3101102002002212110200001
41211122222322021101
53241004204130144
6122005325530001
710603346313061
oct1453252721121
9342062773601
10108895380049
114220066a865
1219130a13901
13a3656bc431
1453b06013a1
152c7514cbd4
hex195aaba251

108895380049 has 3 divisors (see below), whose sum is σ = 108895710043. Its totient is φ = 108895050056.

The previous prime is 108895380019. The next prime is 108895380053. The reversal of 108895380049 is 940083598801.

The square root of 108895380049 is 329993.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 105219140625 + 3676239424 = 324375^2 + 60632^2 .

It is not a de Polignac number, because 108895380049 - 211 = 108895378001 is a prime.

It is a super-2 number, since 2×1088953800492 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108895380019) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 164997 + ... + 494989.

Almost surely, 2108895380049 is an apocalyptic number.

108895380049 is the 329993-rd square number.

108895380049 is the 164997-th centered octagonal number.

It is an amenable number.

108895380049 is a deficient number, since it is larger than the sum of its proper divisors (329994).

108895380049 is an frugal number, since it uses more digits than its factorization.

108895380049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659986 (or 329993 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 108895380049 in words is "one hundred eight billion, eight hundred ninety-five million, three hundred eighty thousand, forty-nine".

Divisors: 1 329993 108895380049