Search a number
-
+
12303000000 = 2632561367
BaseRepresentation
bin10110111010101000…
…01110000111000000
31011202102021011012200
423131110032013000
5200144032000000
65352451553200
7613610526444
oct133524160700
934672234180
1012303000000
1152437a4aa5
1224742bb800
131210b72c75
14849d72824
154c0173500
hex2dd50e1c0

12303000000 has 294 divisors, whose sum is σ = 44112091608. Its totient is φ = 3278400000.

The previous prime is 12302999959. The next prime is 12303000013. The reversal of 12303000000 is 30321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 8999317 + ... + 9000683.

Almost surely, 212303000000 is an apocalyptic number.

12303000000 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 12303000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22056045804).

12303000000 is an abundant number, since it is smaller than the sum of its proper divisors (31809091608).

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

12303000000 is an frugal number, since it uses more digits than its factorization.

12303000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 12303000000 its reverse (30321), we get a palindrome (12303030321).

The spelling of 12303000000 in words is "twelve billion, three hundred three million", and thus it is an aban number.