Search a number
-
+
1220331100300 = 2252135317711627
BaseRepresentation
bin10001110000100001011…
…001101101100010001100
311022122212222021000110021
4101300201121231202030
5124443214230202200
62332340134351524
7154110641126644
oct21604131554214
94278788230407
101220331100300
114305a3101724
121786124bb5a4
138b0cc75c180
14430c879b524
1521b24a5a41a
hex11c2166d88c

1220331100300 has 72 divisors (see below), whose sum is σ = 2905627996656. Its totient is φ = 442082184960.

The previous prime is 1220331100297. The next prime is 1220331100309. The reversal of 1220331100300 is 30011330221.

It is not an unprimeable number, because it can be changed into a prime (1220331100309) 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 23 ways as a sum of consecutive naturals, for example, 8786914 + ... + 8924713.

It is an arithmetic number, because the mean of its divisors is an integer number (40355944398).

Almost surely, 21220331100300 is an apocalyptic number.

1220331100300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220331100300 is an abundant number, since it is smaller than the sum of its proper divisors (1685296896356).

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

1220331100300 is a wasteful number, since it uses less digits than its factorization.

1220331100300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17711707 (or 17711700 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1220331100300 its reverse (30011330221), we get a palindrome (1250342430521).

The spelling of 1220331100300 in words is "one trillion, two hundred twenty billion, three hundred thirty-one million, one hundred thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 53 65 100 106 130 212 260 265 325 530 650 689 1060 1300 1325 1378 2650 2756 3445 5300 6890 13780 17225 34450 68900 17711627 35423254 70846508 88558135 177116270 230251151 354232540 442790675 460502302 885581350 921004604 938716231 1151255755 1771162700 1877432462 2302511510 3754864924 4605023020 4693581155 5756278775 9387162310 11512557550 12203311003 18774324620 23025115100 23467905775 24406622006 46935811550 48813244012 61016555015 93871623100 122033110030 244066220060 305082775075 610165550150 1220331100300