Search a number
-
+
13230030000000 = 273571147853
BaseRepresentation
bin1100000010000101101100…
…1111010000111110000000
31201211210000112112021102010
43000201123033100332000
53213230100140000000
644045443013452520
72533560322342662
oct300413317207600
951753015467363
1013230030000000
114240908035410
12159809a341140
1374c781644658
1433a4a0520532
1517e2241add50
hexc085b3d0f80

13230030000000 has 1024 divisors, whose sum is σ = 48998124564480. Its totient is φ = 3135360000000.

The previous prime is 13230029999969. The next prime is 13230030000029. The reversal of 13230030000000 is 3003231.

It is a happy number.

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 polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15509999574 + ... + 15510000426.

It is an arithmetic number, because the mean of its divisors is an integer number (47849731020).

Almost surely, 213230030000000 is an apocalyptic number.

13230030000000 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 13230030000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24499062282240).

13230030000000 is an abundant number, since it is smaller than the sum of its proper divisors (35768094564480).

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

13230030000000 is an frugal number, since it uses more digits than its factorization.

13230030000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 13230030000000 its reverse (3003231), we get a palindrome (13230033003231).

The spelling of 13230030000000 in words is "thirteen trillion, two hundred thirty billion, thirty million", and thus it is an aban number.