Search a number
-
+
212032031100 = 22352706773437
BaseRepresentation
bin1100010101111000011…
…0000000100101111100
3202021021212200012020220
43011132012000211330
511433220144443400
6241223422141340
721214231345611
oct3053606004574
9667255605226
10212032031100
1181a1661025a
1235115121850
1316cc0cba2c6
14a39607a508
1557ae9207a0
hex315e18097c

212032031100 has 36 divisors (see below), whose sum is σ = 613479344184. Its totient is φ = 56541874880.

The previous prime is 212032031053. The next prime is 212032031111. The reversal of 212032031100 is 1130230212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212032031100.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 353386419 + ... + 353387018.

It is an arithmetic number, because the mean of its divisors is an integer number (17041092894).

Almost surely, 2212032031100 is an apocalyptic number.

212032031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212032031100 is an abundant number, since it is smaller than the sum of its proper divisors (401447313084).

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

212032031100 is a wasteful number, since it uses less digits than its factorization.

212032031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706773454 (or 706773447 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212032031100 its reverse (1130230212), we get a palindrome (213162261312).

The spelling of 212032031100 in words is "two hundred twelve billion, thirty-two million, thirty-one thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 706773437 1413546874 2120320311 2827093748 3533867185 4240640622 7067734370 8481281244 10601601555 14135468740 17669335925 21203203110 35338671850 42406406220 53008007775 70677343700 106016015550 212032031100