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12310030322320 = 245153875379029
BaseRepresentation
bin1011001100100010011011…
…1111000000101010010000
31121120211100011211022001211
42303020212333000222100
53103141420230303240
642103052211505504
72410241012200153
oct263104677005220
947524304738054
1012310030322320
113a16722216785
1214699242b8294
136b3aa5594553
14307b46cd7c9a
1516532ae7bbea
hexb3226fc0a90

12310030322320 has 20 divisors (see below), whose sum is σ = 28620820499580. Its totient is φ = 4924012128896.

The previous prime is 12310030322311. The next prime is 12310030322321. The reversal of 12310030322320 is 2322303001321.

It can be written as a sum of positive squares in 2 ways, for example, as 5217459998976 + 7092570323344 = 2284176^2 + 2663188^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 12310030322291 and 12310030322300.

It is not an unprimeable number, because it can be changed into a prime (12310030322321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76937689435 + ... + 76937689594.

It is an arithmetic number, because the mean of its divisors is an integer number (1431041024979).

Almost surely, 212310030322320 is an apocalyptic number.

12310030322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310030322320 is an abundant number, since it is smaller than the sum of its proper divisors (16310790177260).

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

12310030322320 is a wasteful number, since it uses less digits than its factorization.

12310030322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153875379042 (or 153875379036 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12310030322320 its reverse (2322303001321), we get a palindrome (14632333323641).

The spelling of 12310030322320 in words is "twelve trillion, three hundred ten billion, thirty million, three hundred twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 153875379029 307750758058 615501516116 769376895145 1231003032232 1538753790290 2462006064464 3077507580580 6155015161160 12310030322320