Search a number
-
+
4220011212 = 2232912126469
BaseRepresentation
bin1111101110001000…
…0100001011001100
3101220002200210002120
43323202010023030
532120310324322
61534425252540
7206401334454
oct37342041314
911802623076
104220011212
1118760a497a
12999334150
13523394271
142c0664d64
1519a733a5c
hexfb8842cc

4220011212 has 24 divisors (see below), whose sum is σ = 10186234800. Its totient is φ = 1358164416.

The previous prime is 4220011193. The next prime is 4220011253. The reversal of 4220011212 is 2121100224.

It is a junction number, because it is equal to n+sod(n) for n = 4220011191 and 4220011200.

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, 6062887 + ... + 6063582.

It is an arithmetic number, because the mean of its divisors is an integer number (424426450).

Almost surely, 24220011212 is an apocalyptic number.

It is an amenable number.

4220011212 is an abundant number, since it is smaller than the sum of its proper divisors (5966223588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4220011212 is a wasteful number, since it uses less digits than its factorization.

4220011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12126505 (or 12126503 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 4220011212 is about 64961.6133728220. The cubic root of 4220011212 is about 1615.9870206739.

Adding to 4220011212 its reverse (2121100224), we get a palindrome (6341111436).

The spelling of 4220011212 in words is "four billion, two hundred twenty million, eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 12126469 24252938 36379407 48505876 72758814 145517628 351667601 703335202 1055002803 1406670404 2110005606 4220011212