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2130711091200 = 2113552414177
BaseRepresentation
bin11111000000011000010…
…001110001100000000000
321112200201220211021100000
4133000120101301200000
5234402144014404300
64310500221200000
7306640002306426
oct37003021614000
97480656737300
102130711091200
117516a195529a
122a4b42a00000
13125c0485c713
14751ac57d116
153a6584a4c00
hex1f018471800

2130711091200 has 864 divisors, whose sum is σ = 8108391498480. Its totient is φ = 554198630400.

The previous prime is 2130711091189. The next prime is 2130711091207. The reversal of 2130711091200 is 21901170312.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130711091207) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 510103512 + ... + 510107688.

Almost surely, 22130711091200 is an apocalyptic number.

2130711091200 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 2130711091200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4054195749240).

2130711091200 is an abundant number, since it is smaller than the sum of its proper divisors (5977680407280).

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

2130711091200 is an equidigital number, since it uses as much as digits as its factorization.

2130711091200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The spelling of 2130711091200 in words is "two trillion, one hundred thirty billion, seven hundred eleven million, ninety-one thousand, two hundred".