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39530079445 = 57906015889
BaseRepresentation
bin100100110100001011…
…010010010011010101
310210000220211002200111
4210310023102103111
51121424200020240
630054310443021
72566410063013
oct446413222325
9123026732614
1039530079445
111584577684a
1277b2663471
13395c8cc66c
141cb00058b3
1510656111ea
hex9342d24d5

39530079445 has 4 divisors (see below), whose sum is σ = 47436095340. Its totient is φ = 31624063552.

The previous prime is 39530079427. The next prime is 39530079451. The reversal of 39530079445 is 54497003593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16414221924 + 23115857521 = 128118^2 + 152039^2 .

It is a cyclic number.

It is not a de Polignac number, because 39530079445 - 217 = 39529948373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3953007940 + ... + 3953007949.

It is an arithmetic number, because the mean of its divisors is an integer number (11859023835).

Almost surely, 239530079445 is an apocalyptic number.

It is an amenable number.

39530079445 is a deficient number, since it is larger than the sum of its proper divisors (7906015895).

39530079445 is an equidigital number, since it uses as much as digits as its factorization.

39530079445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7906015894.

The product of its (nonzero) digits is 2041200, while the sum is 49.

The spelling of 39530079445 in words is "thirty-nine billion, five hundred thirty million, seventy-nine thousand, four hundred forty-five".

Divisors: 1 5 7906015889 39530079445