Search a number
-
+
212003312300 = 225213862918899
BaseRepresentation
bin1100010101110001100…
…0011101001010101100
3202021012212122010110122
43011130120131022230
511433140321443200
6241220514424112
721213432264413
oct3053430351254
9667185563418
10212003312300
1181a0138540a
1235107592038
1316cb8073530
14a39232247a
1557ac14b385
hex315c61d2ac

212003312300 has 72 divisors (see below), whose sum is σ = 495519066000. Its totient is φ = 78264933120.

The previous prime is 212003312293. The next prime is 212003312303. The reversal of 212003312300 is 3213300212.

It is not an unprimeable number, because it can be changed into a prime (212003312303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11208251 + ... + 11227149.

It is an arithmetic number, because the mean of its divisors is an integer number (6882209250).

Almost surely, 2212003312300 is an apocalyptic number.

212003312300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212003312300 is an abundant number, since it is smaller than the sum of its proper divisors (283515753700).

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

212003312300 is a wasteful number, since it uses less digits than its factorization.

212003312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27555 (or 27548 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212003312300 its reverse (3213300212), we get a palindrome (215216612512).

The spelling of 212003312300 in words is "two hundred twelve billion, three million, three hundred twelve thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 8629 17258 18899 34516 37798 43145 75596 86290 94495 112177 172580 188990 215725 224354 245687 377980 431450 448708 472475 491374 560885 862900 944950 982748 1121770 1228435 1889900 2243540 2456870 2804425 4913740 5608850 6142175 11217700 12284350 24568700 163079471 326158942 652317884 815397355 1630794710 2120033123 3261589420 4076986775 4240066246 8153973550 8480132492 10600165615 16307947100 21200331230 42400662460 53000828075 106001656150 212003312300