Search a number
-
+
4220042311 = 17248237783
BaseRepresentation
bin1111101110001000…
…1011110001000111
3101220002202100202101
43323202023301013
532120312323221
61534430052531
7206401524232
oct37342136107
911802670671
104220042311
111876116281
1299934a147
135233a5474
142c0672419
1519a73cd91
hexfb88bc47

4220042311 has 4 divisors (see below), whose sum is σ = 4468280112. Its totient is φ = 3971804512.

The previous prime is 4220042287. The next prime is 4220042339. The reversal of 4220042311 is 1132400224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4220042311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220042341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124118875 + ... + 124118908.

It is an arithmetic number, because the mean of its divisors is an integer number (1117070028).

Almost surely, 24220042311 is an apocalyptic number.

4220042311 is a deficient number, since it is larger than the sum of its proper divisors (248237801).

4220042311 is a wasteful number, since it uses less digits than its factorization.

4220042311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248237800.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4220042311 is about 64961.8527368178. The cubic root of 4220042311 is about 1615.9909902887.

Adding to 4220042311 its reverse (1132400224), we get a palindrome (5352442535).

The spelling of 4220042311 in words is "four billion, two hundred twenty million, forty-two thousand, three hundred eleven".

Divisors: 1 17 248237783 4220042311