Search a number
-
+
1204500000000 = 283591173
BaseRepresentation
bin10001100001110001110…
…010110110110100000000
311021011000200020210111010
4101201301302312310000
5124213304000000000
62321201211120520
7153010430033403
oct21416162666400
94234020223433
101204500000000
11424909937760
12175534743140
13897789914bb
1442426033d3a
15214e9cc8d50
hex11871cb6d00

1204500000000 has 720 divisors, whose sum is σ = 4431327671232. Its totient is φ = 288000000000.

The previous prime is 1204499999993. The next prime is 1204500000049. The reversal of 1204500000000 is 54021.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 79 ways as a sum of consecutive naturals, for example, 16499999964 + ... + 16500000036.

Almost surely, 21204500000000 is an apocalyptic number.

1204500000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204500000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2215663835616).

1204500000000 is an abundant number, since it is smaller than the sum of its proper divisors (3226827671232).

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

1204500000000 is an frugal number, since it uses more digits than its factorization.

1204500000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

Adding to 1204500000000 its reverse (54021), we get a palindrome (1204500054021).

The spelling of 1204500000000 in words is "one trillion, two hundred four billion, five hundred million", and thus it is an aban number.