Search a number
-
+
15233053440000 = 21135411477673
BaseRepresentation
bin1101110110101011100010…
…1111010011100000000000
31222221021011200111210100110
43131222320233103200000
53444034243140040000
652221545041351320
73131360156560644
oct335527057234000
958837150453313
1015233053440000
1149433355a6440
121860326938540
138666173a9376
143a93d8758c24
151b63a7810850
hexddab8bd3800

15233053440000 has 960 divisors, whose sum is σ = 56546953182720. Its totient is φ = 3613818880000.

The previous prime is 15233053439993. The next prime is 15233053440023. The reversal of 15233053440000 is 4435033251.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 15233053440000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1985276164 + ... + 1985283836.

It is an arithmetic number, because the mean of its divisors is an integer number (58903076232).

Almost surely, 215233053440000 is an apocalyptic number.

15233053440000 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 15233053440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28273476591360).

15233053440000 is an abundant number, since it is smaller than the sum of its proper divisors (41313899742720).

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

15233053440000 is an equidigital number, since it uses as much as digits as its factorization.

15233053440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7776 (or 7741 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 15233053440000 its reverse (4435033251), we get a palindrome (15237488473251).

The spelling of 15233053440000 in words is "fifteen trillion, two hundred thirty-three billion, fifty-three million, four hundred forty thousand".