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8980115093 = 10982386377
BaseRepresentation
bin10000101110100000…
…11010111010010101
3212011211200010001022
420113100122322111
5121342402140333
64043031010525
7435351501365
oct102720327225
925154603038
108980115093
11389904a424
1218a7509a45
13b0160a391
1461291a9a5
1537859ec98
hex21741ae95

8980115093 has 4 divisors (see below), whose sum is σ = 9062501580. Its totient is φ = 8897728608.

The previous prime is 8980115059. The next prime is 8980115129. The reversal of 8980115093 is 3905110898.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5178529444 + 3801585649 = 71962^2 + 61657^2 .

It is a cyclic number.

It is not a de Polignac number, because 8980115093 - 218 = 8979852949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8980115993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41193080 + ... + 41193297.

It is an arithmetic number, because the mean of its divisors is an integer number (2265625395).

Almost surely, 28980115093 is an apocalyptic number.

It is an amenable number.

8980115093 is a deficient number, since it is larger than the sum of its proper divisors (82386487).

8980115093 is a wasteful number, since it uses less digits than its factorization.

8980115093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82386486.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 8980115093 is about 94763.4691904006. The cubic root of 8980115093 is about 2078.5507573769.

The spelling of 8980115093 in words is "eight billion, nine hundred eighty million, one hundred fifteen thousand, ninety-three".

Divisors: 1 109 82386377 8980115093