Search a number
-
+
1212304241000 = 23531212304241
BaseRepresentation
bin10001101001000010111…
…101101011000101101000
311021220011120022022112002
4101221002331223011220
5124330244341203000
62324531435110132
7153405013011536
oct21510275530550
94256146268462
101212304241000
11428154159506
12176b522a2348
138a4207a3798
1442966701156
15218050068d5
hex11a42f6b168

1212304241000 has 32 divisors (see below), whose sum is σ = 2836791926280. Its totient is φ = 484921696000.

The previous prime is 1212304240997. The next prime is 1212304241017. The reversal of 1212304241000 is 1424032121.

It can be written as a sum of positive squares in 4 ways, for example, as 51629837284 + 1160674403716 = 227222^2 + 1077346^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606151121 + ... + 606153120.

Almost surely, 21212304241000 is an apocalyptic number.

1212304241000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212304241000 is an abundant number, since it is smaller than the sum of its proper divisors (1624487685280).

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

1212304241000 is a wasteful number, since it uses less digits than its factorization.

1212304241000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212304262 (or 1212304248 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1212304241000 its reverse (1424032121), we get a palindrome (1213728273121).

The spelling of 1212304241000 in words is "one trillion, two hundred twelve billion, three hundred four million, two hundred forty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 1212304241 2424608482 4849216964 6061521205 9698433928 12123042410 24246084820 30307606025 48492169640 60615212050 121230424100 151538030125 242460848200 303076060250 606152120500 1212304241000