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12300000210 = 2325136666669
BaseRepresentation
bin10110111010010001…
…10001101111010010
31011202012121202021100
423131020301233102
5200142300001320
65352303405230
7613543163631
oct133510615722
934665552240
1012300000210
115242036233
1224732b3816
131210362744
148497d1518
154bec7e790
hex2dd231bd2

12300000210 has 24 divisors (see below), whose sum is σ = 31980000780. Its totient is φ = 3280000032.

The previous prime is 12300000199. The next prime is 12300000253. The reversal of 12300000210 is 1200000321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11310960609 + 989039601 = 106353^2 + 31449^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12300000192 and 12300000201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68333245 + ... + 68333424.

Almost surely, 212300000210 is an apocalyptic number.

12300000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12300000210 is an abundant number, since it is smaller than the sum of its proper divisors (19680000570).

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

12300000210 is a wasteful number, since it uses less digits than its factorization.

12300000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136666682 (or 136666679 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 12300000210 its reverse (1200000321), we get a palindrome (13500000531).

The spelling of 12300000210 in words is "twelve billion, three hundred million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 136666669 273333338 410000007 683333345 820000014 1230000021 1366666690 2050000035 2460000042 4100000070 6150000105 12300000210