Search a number
-
+
212223011140 = 2257330936299
BaseRepresentation
bin1100010110100101111…
…0100010100101000100
3202021210012000222121201
43011221132202211010
511434113042324030
6241254403352244
721222040555000
oct3055136424504
9667705028551
10212223011140
11820043a23a8
1235169082684
1317021736b4a
14a3b3591700
1557c15972ca
hex31697a2944

212223011140 has 48 divisors (see below), whose sum is σ = 519729840000. Its totient is φ = 72762172896.

The previous prime is 212223011113. The next prime is 212223011149. The reversal of 212223011140 is 41110322212.

It is not an unprimeable number, because it can be changed into a prime (212223011149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15461290 + ... + 15475009.

It is an arithmetic number, because the mean of its divisors is an integer number (10827705000).

Almost surely, 2212223011140 is an apocalyptic number.

212223011140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212223011140 is an abundant number, since it is smaller than the sum of its proper divisors (307506828860).

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

212223011140 is a wasteful number, since it uses less digits than its factorization.

212223011140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30936329 (or 30936313 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212223011140 its reverse (41110322212), we get a palindrome (253333333352).

The spelling of 212223011140 in words is "two hundred twelve billion, two hundred twenty-three million, eleven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 343 490 686 980 1372 1715 3430 6860 30936299 61872598 123745196 154681495 216554093 309362990 433108186 618725980 866216372 1082770465 1515878651 2165540930 3031757302 4331081860 6063514604 7579393255 10611150557 15158786510 21222301114 30317573020 42444602228 53055752785 106111505570 212223011140