Search a number
-
+
212310422300 = 22523179866927
BaseRepresentation
bin1100010110111010101…
…1111111001100011100
3202022000021111221012002
43011232223333030130
511434302432003200
6241311205101432
721224151546014
oct3055653771434
9668007457162
10212310422300
1182049775729
12351923b7878
1317036890622
14a3c1026c44
1557c90b1bd5
hex316eaff31c

212310422300 has 72 divisors (see below), whose sum is σ = 481595842560. Its totient is φ = 81144273600.

The previous prime is 212310422299. The next prime is 212310422323. The reversal of 212310422300 is 3224013212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188564 + ... + 678363.

Almost surely, 2212310422300 is an apocalyptic number.

212310422300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212310422300 is an abundant number, since it is smaller than the sum of its proper divisors (269285420260).

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

212310422300 is a wasteful number, since it uses less digits than its factorization.

212310422300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867051 (or 867044 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212310422300 its reverse (3224013212), we get a palindrome (215534435512).

The spelling of 212310422300 in words is "two hundred twelve billion, three hundred ten million, four hundred twenty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 79 100 124 155 158 310 316 395 620 775 790 1550 1580 1975 2449 3100 3950 4898 7900 9796 12245 24490 48980 61225 122450 244900 866927 1733854 3467708 4334635 8669270 17338540 21673175 26874737 43346350 53749474 68487233 86692700 107498948 134373685 136974466 268747370 273948932 342436165 537494740 671868425 684872330 1343736850 1369744660 1712180825 2123104223 2687473700 3424361650 4246208446 6848723300 8492416892 10615521115 21231042230 42462084460 53077605575 106155211150 212310422300