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12320000030 = 251394769231
BaseRepresentation
bin10110111100101010…
…00100100000011110
31011210121020211212102
423132111010200132
5200212410000110
65354300205102
7614205162302
oct133625044036
934717224772
1012320000030
115252356408
122479b39792
131214545a60
1484c319d02
154c18d05a5
hex2de54481e

12320000030 has 16 divisors (see below), whose sum is σ = 23881846464. Its totient is φ = 4548923040.

The previous prime is 12319999997. The next prime is 12320000041. The reversal of 12320000030 is 3000002321.

It is a junction number, because it is equal to n+sod(n) for n = 12319999966 and 12320000020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47384486 + ... + 47384745.

It is an arithmetic number, because the mean of its divisors is an integer number (1492615404).

Almost surely, 212320000030 is an apocalyptic number.

12320000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320000030 is a deficient number, since it is larger than the sum of its proper divisors (11561846434).

12320000030 is a wasteful number, since it uses less digits than its factorization.

12320000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94769251.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 12320000030 its reverse (3000002321), we get a palindrome (15320002351).

The spelling of 12320000030 in words is "twelve billion, three hundred twenty million, thirty", and thus it is an aban number.

Divisors: 1 2 5 10 13 26 65 130 94769231 189538462 473846155 947692310 1232000003 2464000006 6160000015 12320000030