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1230163200 = 2835527113
BaseRepresentation
bin100100101010010…
…1100110100000000
310011201202202200000
41021110230310000
510004410210300
6322022400000
742325133430
oct11124546400
93151682600
101230163200
11581438902
122a3b90000
13167b25826
14b95422c0
1572ee7c00
hex4952cd00

1230163200 has 648 divisors, whose sum is σ = 5258705088. Its totient is φ = 278691840.

The previous prime is 1230163183. The next prime is 1230163201. The reversal of 1230163200 is 23610321.

1230163200 is a `hidden beast` number, since 1 + 2 + 30 + 1 + 632 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230163201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10886344 + ... + 10886456.

Almost surely, 21230163200 is an apocalyptic number.

1230163200 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 1230163200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2629352544).

1230163200 is an abundant number, since it is smaller than the sum of its proper divisors (4028541888).

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

1230163200 is an equidigital number, since it uses as much as digits as its factorization.

1230163200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1230163200 is about 35073.6824413976. The cubic root of 1230163200 is about 1071.4886549163.

Adding to 1230163200 its reverse (23610321), we get a palindrome (1253773521).

The spelling of 1230163200 in words is "one billion, two hundred thirty million, one hundred sixty-three thousand, two hundred".