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1230081048 = 2332743211269
BaseRepresentation
bin100100101010001…
…1000110000011000
310011201121120222100
41021110120300120
510004400043143
6322020523400
742324342060
oct11124306030
93151546870
101230081048
11581392109
122a3b50560
13167ac7311
14b95203a0
1572ecd6d3
hex49518c18

1230081048 has 192 divisors, whose sum is σ = 3928953600. Its totient is φ = 340381440.

The previous prime is 1230081031. The next prime is 1230081059. The reversal of 1230081048 is 8401800321.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4572658 + ... + 4572926.

It is an arithmetic number, because the mean of its divisors is an integer number (20463300).

Almost surely, 21230081048 is an apocalyptic number.

1230081048 is a gapful number since it is divisible by the number (18) 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 1230081048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964476800).

1230081048 is an abundant number, since it is smaller than the sum of its proper divisors (2698872552).

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

1230081048 is a wasteful number, since it uses less digits than its factorization.

1230081048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1230081048 is about 35072.5112873316. The cubic root of 1230081048 is about 1071.4648025539.

Adding to 1230081048 its reverse (8401800321), we get a palindrome (9631881369).

The spelling of 1230081048 in words is "one billion, two hundred thirty million, eighty-one thousand, forty-eight".