Search a number
-
+
830321856000 = 29325372133173
BaseRepresentation
bin11000001010100110000…
…10100000111000000000
32221101012120001121210100
430011103002200320000
5102100444343343000
61433240011002400
7113663102216400
oct14052302407000
92841176047710
10830321856000
112a015704aa1a
12114b09139400
13603b6c226c0
142c28b432800
15168ea2e5a00
hexc1530a0e00

830321856000 has 2880 divisors, whose sum is σ = 3920380079616. Its totient is φ = 167215104000.

The previous prime is 830321855977. The next prime is 830321856011. The reversal of 830321856000 is 658123038.

830321856000 is a `hidden beast` number, since 8 + 3 + 0 + 32 + 18 + 5 + 600 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 11374271964 + ... + 11374272036.

Almost surely, 2830321856000 is an apocalyptic number.

830321856000 is a gapful number since it is divisible by the number (80) 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 830321856000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960190039808).

830321856000 is an abundant number, since it is smaller than the sum of its proper divisors (3090058223616).

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

830321856000 is a wasteful number, since it uses less digits than its factorization.

830321856000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 830321856000 its reverse (658123038), we get a palindrome (830979979038).

The spelling of 830321856000 in words is "eight hundred thirty billion, three hundred twenty-one million, eight hundred fifty-six thousand".