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108150872769 = 321096212
BaseRepresentation
bin110010010111001001…
…0110101101011000001
3101100011012221120200100
41210232102311223001
53232443110412034
6121403412313013
710546036151652
oct1445622655301
9340135846610
10108150872769
1141959391495
1218b63612769
13a277398a94
14533d79d529
152c2ead8099
hex192e4b5ac1

108150872769 has 9 divisors (see below), whose sum is σ = 156219352419. Its totient is φ = 72099924120.

The previous prime is 108150872693. The next prime is 108150872771. The reversal of 108150872769 is 967278051801.

The square root of 108150872769 is 328863.

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

108150872769 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 508 + 72 + 7 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 69018120369 + 39132752400 = 262713^2 + 197820^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2k-108150872769 is a prime.

It is a super-3 number, since 3×1081508727693 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (108150872779) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 931779 + ... + 1041399.

Almost surely, 2108150872769 is an apocalyptic number.

108150872769 is the 328863-rd square number.

108150872769 is the 164432-nd centered octagonal number.

It is an amenable number.

108150872769 is a deficient number, since it is larger than the sum of its proper divisors (48068479650).

108150872769 is an frugal number, since it uses more digits than its factorization.

108150872769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219248 (or 109624 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 54.

The spelling of 108150872769 in words is "one hundred eight billion, one hundred fifty million, eight hundred seventy-two thousand, seven hundred sixty-nine".

Divisors: 1 3 9 109621 328863 986589 12016763641 36050290923 108150872769