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108179814649 = 43276492
BaseRepresentation
bin110010011000000000…
…1001111100011111001
3101100020020101222110211
41210300001033203321
53233023013032044
6121410324511121
710546540152424
oct1446001174371
9340206358424
10108179814649
11419737599a5
1218b7124b4a1
13a28039025a
1453435749bb
152c32403634
hex193004f8f9

108179814649 has 9 divisors (see below), whose sum is σ = 110768612943. Its totient is φ = 105650190912.

The previous prime is 108179814511. The next prime is 108179814703. The reversal of 108179814649 is 946418971801.

The square root of 108179814649 is 328907.

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

It can be written as a sum of positive squares in only one way, i.e., 4727525049 + 103452289600 = 68757^2 + 321640^2 .

It is not a de Polignac number, because 108179814649 - 213 = 108179806457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108179814593 and 108179814602.

It is not an unprimeable number, because it can be changed into a prime (108179884649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14139177 + ... + 14146825.

Almost surely, 2108179814649 is an apocalyptic number.

108179814649 is the 328907-th square number.

108179814649 is the 164454-th centered octagonal number.

It is an amenable number.

108179814649 is a deficient number, since it is larger than the sum of its proper divisors (2588798294).

108179814649 is an frugal number, since it uses more digits than its factorization.

108179814649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15384 (or 7692 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 108179814649 in words is "one hundred eight billion, one hundred seventy-nine million, eight hundred fourteen thousand, six hundred forty-nine".

Divisors: 1 43 1849 7649 328907 14143001 58507201 2515809643 108179814649