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2130120300 = 22352711283101
BaseRepresentation
bin111111011110111…
…0000111001101100
312111110012022201110
41332331300321230
513330302322200
6551211512020
7103533503160
oct17675607154
95443168643
102130120300
119a3440a00
124b5458610
1327c405819
14162c8aca0
15c7016b50
hex7ef70e6c

2130120300 has 432 divisors, whose sum is σ = 7912993536. Its totient is φ = 432960000.

The previous prime is 2130120287. The next prime is 2130120313. The reversal of 2130120300 is 30210312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2130120287) and next prime (2130120313).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21090250 + ... + 21090350.

Almost surely, 22130120300 is an apocalyptic number.

2130120300 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 2130120300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3956496768).

2130120300 is an abundant number, since it is smaller than the sum of its proper divisors (5782873236).

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

2130120300 is a wasteful number, since it uses less digits than its factorization.

2130120300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2130120300 is about 46153.2263227610. The cubic root of 2130120300 is about 1286.6725735841.

Adding to 2130120300 its reverse (30210312), we get a palindrome (2160330612).

The spelling of 2130120300 in words is "two billion, one hundred thirty million, one hundred twenty thousand, three hundred".