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1230086088 = 233471189277
BaseRepresentation
bin100100101010001…
…1001111111001000
310011201121211220000
41021110121333020
510004400223323
6322021003000
742324362550
oct11124317710
93151554800
101230086088
11581395980
122a3b53460
13167ac96ba
14b9522160
1572ecee43
hex49519fc8

1230086088 has 320 divisors, whose sum is σ = 4359484800. Its totient is φ = 314772480.

The previous prime is 1230086083. The next prime is 1230086111. The reversal of 1230086088 is 8806800321.

1230086088 is a `hidden beast` number, since 12 + 30 + 0 + 8 + 608 + 8 = 666.

It is a super-2 number, since 2×12300860882 = 3026223567782287488, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1230086083) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4440606 + ... + 4440882.

It is an arithmetic number, because the mean of its divisors is an integer number (13623390).

Almost surely, 21230086088 is an apocalyptic number.

1230086088 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 1230086088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179742400).

1230086088 is an abundant number, since it is smaller than the sum of its proper divisors (3129398712).

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

1230086088 is a wasteful number, since it uses less digits than its factorization.

1230086088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1230086088 is about 35072.5831384003. The cubic root of 1230086088 is about 1071.4662659195.

The spelling of 1230086088 in words is "one billion, two hundred thirty million, eighty-six thousand, eighty-eight".