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4105245145 = 51408158309
BaseRepresentation
bin1111010010110001…
…0001000111011001
3101121002202001122111
43310230101013121
531401420321040
61515205352321
7203506002511
oct36454210731
911532661574
104105245145
111817338491
12966a086a1
13505680751
142ad30c841
15190613dea
hexf4b111d9

4105245145 has 8 divisors (see below), whose sum is σ = 4926728520. Its totient is φ = 3283906560.

The previous prime is 4105245143. The next prime is 4105245173. The reversal of 4105245145 is 5415425014.

It is a happy number.

4105245145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 911073856 + 3194171289 = 30184^2 + 56517^2 .

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

It is not a de Polignac number, because 4105245145 - 21 = 4105245143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4105245143) 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, 41251 + ... + 99559.

It is an arithmetic number, because the mean of its divisors is an integer number (615841065).

Almost surely, 24105245145 is an apocalyptic number.

It is an amenable number.

4105245145 is a deficient number, since it is larger than the sum of its proper divisors (821483375).

4105245145 is a wasteful number, since it uses less digits than its factorization.

4105245145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72395.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 4105245145 is about 64072.1869846816. The cubic root of 4105245145 is about 1601.2028903545.

The spelling of 4105245145 in words is "four billion, one hundred five million, two hundred forty-five thousand, one hundred forty-five".

Divisors: 1 5 14081 58309 70405 291545 821049029 4105245145