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232100000000 = 285811211
BaseRepresentation
bin1101100000101000111…
…1001111000100000000
3211012002110002122022022
43120022033033010000
512300320100000000
6254343020301012
722524440306561
oct3301217170400
9735073078268
10232100000000
118a484443320
1238b959a1768
1318b6b7a210b
14b33b3b6168
156086615585
hex360a3cf100

232100000000 has 324 divisors, whose sum is σ = 634757487504. Its totient is φ = 84000000000.

The previous prime is 232099999991. The next prime is 232100000003. The reversal of 232100000000 is 1232.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (232100000003) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1099999895 + ... + 1100000105.

Almost surely, 2232100000000 is an apocalyptic number.

232100000000 is a gapful number since it is divisible by the number (20) 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 232100000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317378743752).

232100000000 is an abundant number, since it is smaller than the sum of its proper divisors (402657487504).

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

232100000000 is an frugal number, since it uses more digits than its factorization.

232100000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 232100000000 its reverse (1232), we get a palindrome (232100001232).

The spelling of 232100000000 in words is "two hundred thirty-two billion, one hundred million", and thus it is an aban number.