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2130030432240 = 24358875126801
BaseRepresentation
bin11110111111101111101…
…101010000111111110000
321112121222111001012202220
4132333233231100333300
5234344300242312430
64310304504241040
7306614065641114
oct36775755207760
97477874035686
102130030432240
11751382716127
122a4992a70180
13125b26832839
1475145ddb744
153a618853110
hex1efefb50ff0

2130030432240 has 40 divisors (see below), whose sum is σ = 6603094340688. Its totient is φ = 568008115200.

The previous prime is 2130030432181. The next prime is 2130030432247. The reversal of 2130030432240 is 422340300312.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2130030432240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130030432247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4437563161 + ... + 4437563640.

Almost surely, 22130030432240 is an apocalyptic number.

2130030432240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130030432240 is an abundant number, since it is smaller than the sum of its proper divisors (4473063908448).

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

2130030432240 is a wasteful number, since it uses less digits than its factorization.

2130030432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8875126817 (or 8875126811 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 2130030432240 its reverse (422340300312), we get a palindrome (2552370732552).

The spelling of 2130030432240 in words is "two trillion, one hundred thirty billion, thirty million, four hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 8875126801 17750253602 26625380403 35500507204 44375634005 53250760806 71001014408 88751268010 106501521612 133126902015 142002028816 177502536020 213003043224 266253804030 355005072040 426006086448 532507608060 710010144080 1065015216120 2130030432240