Search a number
-
+
108975913225 = 5210326412
BaseRepresentation
bin110010101111101111…
…0000111100100001001
3101102021201101222102021
41211133132013210021
53241140313210400
6122021324004441
710605344656504
oct1453736074411
9342251358367
10108975913225
1142242075603
1219153990721
13a3792a83ba
1453bb1a613b
152c7c25971a
hex195f787909

108975913225 has 27 divisors (see below), whose sum is σ = 136668022869. Its totient is φ = 86199628800.

The previous prime is 108975913213. The next prime is 108975913247. The reversal of 108975913225 is 522319579801.

The square root of 108975913225 is 330115.

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

It can be written as a sum of positive squares in 4 ways, for example, as 11189619961 + 97786293264 = 105781^2 + 312708^2 .

It is not a de Polignac number, because 108975913225 - 27 = 108975913097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 170008905 + ... + 170009545.

Almost surely, 2108975913225 is an apocalyptic number.

108975913225 is the 330115-th square number.

108975913225 is the 165058-th centered octagonal number.

It is an amenable number.

108975913225 is a deficient number, since it is larger than the sum of its proper divisors (27692109644).

108975913225 is an frugal number, since it uses more digits than its factorization.

108975913225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 108975913225 in words is "one hundred eight billion, nine hundred seventy-five million, nine hundred thirteen thousand, two hundred twenty-five".

Divisors: 1 5 25 103 515 641 2575 3205 10609 16025 53045 66023 265225 330115 410881 1650575 2054405 6800369 10272025 34001845 42320743 170009225 211603715 1058018575 4359036529 21795182645 108975913225