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4212792905 = 5842558581
BaseRepresentation
bin1111101100011010…
…0001111001001001
3101212121010001102212
43323012201321021
532111433333110
61534010434505
7206253102026
oct37306417111
911777101385
104212792905
111872014732
12996a32a35
13521a37889
142bd70654d
15199ca9e05
hexfb1a1e49

4212792905 has 4 divisors (see below), whose sum is σ = 5055351492. Its totient is φ = 3370234320.

The previous prime is 4212792887. The next prime is 4212792929. The reversal of 4212792905 is 5092972124.

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 1695462976 + 2517329929 = 41176^2 + 50173^2 .

It is not a de Polignac number, because 4212792905 - 222 = 4208598601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421279286 + ... + 421279295.

It is an arithmetic number, because the mean of its divisors is an integer number (1263837873).

Almost surely, 24212792905 is an apocalyptic number.

It is an amenable number.

4212792905 is a deficient number, since it is larger than the sum of its proper divisors (842558587).

4212792905 is an equidigital number, since it uses as much as digits as its factorization.

4212792905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842558586.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 4212792905 is about 64906.0313453226. The cubic root of 4212792905 is about 1615.0651157341.

The spelling of 4212792905 in words is "four billion, two hundred twelve million, seven hundred ninety-two thousand, nine hundred five".

Divisors: 1 5 842558581 4212792905