Search a number
-
+
108456440845 = 541529055809
BaseRepresentation
bin110010100000010000…
…0011111010000001101
3101100221111221001021111
41211000200133100031
53234104322101340
6121454005532021
710556436351664
oct1450040372015
9340844831244
10108456440845
1141aa5919295
1219029a14011
13a2c57960ac
14536c1c1ddb
152c4b846aea
hex194081f40d

108456440845 has 8 divisors (see below), whose sum is σ = 133322064120. Its totient is φ = 84648929280.

The previous prime is 108456440843. The next prime is 108456440849. The reversal of 108456440845 is 548044654801.

It can be written as a sum of positive squares in 4 ways, for example, as 8406322596 + 100050118249 = 91686^2 + 316307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108456440845 - 21 = 108456440843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108456440843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264527700 + ... + 264528109.

It is an arithmetic number, because the mean of its divisors is an integer number (16665258015).

Almost surely, 2108456440845 is an apocalyptic number.

It is an amenable number.

108456440845 is a deficient number, since it is larger than the sum of its proper divisors (24865623275).

108456440845 is an equidigital number, since it uses as much as digits as its factorization.

108456440845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529055855.

The product of its (nonzero) digits is 2457600, while the sum is 49.

The spelling of 108456440845 in words is "one hundred eight billion, four hundred fifty-six million, four hundred forty thousand, eight hundred forty-five".

Divisors: 1 5 41 205 529055809 2645279045 21691288169 108456440845