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4212223985 = 5881956237
BaseRepresentation
bin1111101100010001…
…0110111111110001
3101212120001011000202
43323010112333301
532111312131420
61533550324545
7206245212254
oct37304267761
911776034022
104212223985
111871766252
129967b9755
13521898938
142bd5d909b
15199be6575
hexfb116ff1

4212223985 has 8 divisors (see below), whose sum is σ = 5060411496. Its totient is φ = 3365950720.

The previous prime is 4212223969. The next prime is 4212223991. The reversal of 4212223985 is 5893222124.

It can be written as a sum of positive squares in 4 ways, for example, as 283316224 + 3928907761 = 16832^2 + 62681^2 .

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

It is not a de Polignac number, because 4212223985 - 24 = 4212223969 is a prime.

It is a super-3 number, since 3×42122239853 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473714 + ... + 482523.

It is an arithmetic number, because the mean of its divisors is an integer number (632551437).

Almost surely, 24212223985 is an apocalyptic number.

It is an amenable number.

4212223985 is a deficient number, since it is larger than the sum of its proper divisors (848187511).

4212223985 is an equidigital number, since it uses as much as digits as its factorization.

4212223985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957123.

The product of its digits is 69120, while the sum is 38.

The square root of 4212223985 is about 64901.6485537925. The cubic root of 4212223985 is about 1614.9924098727.

The spelling of 4212223985 in words is "four billion, two hundred twelve million, two hundred twenty-three thousand, nine hundred eighty-five".

Divisors: 1 5 881 4405 956237 4781185 842444797 4212223985