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2130312220200 = 233352191011671231
BaseRepresentation
bin11111000000000000100…
…000001100111000101000
321112122201010021112012000
4133000000200030320220
5234400334412021300
64310352452051000
7306624060046263
oct37000040147050
97478633245160
102130312220200
1175150779063a
122a4a51303a60
13125b70024c88
14751715cdcda
153a633465c00
hex1f00080ce28

2130312220200 has 768 divisors, whose sum is σ = 7853497344000. Its totient is φ = 529234560000.

The previous prime is 2130312220177. The next prime is 2130312220241. The reversal of 2130312220200 is 20222130312.

2130312220200 is a `hidden beast` number, since 2 + 130 + 312 + 2 + 20 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1730553585 + ... + 1730554815.

It is an arithmetic number, because the mean of its divisors is an integer number (10225908000).

Almost surely, 22130312220200 is an apocalyptic number.

2130312220200 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 2130312220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3926748672000).

2130312220200 is an abundant number, since it is smaller than the sum of its proper divisors (5723185123800).

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

2130312220200 is a wasteful number, since it uses less digits than its factorization.

2130312220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2130312220200 its reverse (20222130312), we get a palindrome (2150534350512).

The spelling of 2130312220200 in words is "two trillion, one hundred thirty billion, three hundred twelve million, two hundred twenty thousand, two hundred".