Base | Representation |
---|---|
bin | 11110111111101111101… |
… | …101010000111111110000 |
3 | 21112121222111001012202220 |
4 | 132333233231100333300 |
5 | 234344300242312430 |
6 | 4310304504241040 |
7 | 306614065641114 |
oct | 36775755207760 |
9 | 7477874035686 |
10 | 2130030432240 |
11 | 751382716127 |
12 | 2a4992a70180 |
13 | 125b26832839 |
14 | 75145ddb744 |
15 | 3a618853110 |
hex | 1efefb50ff0 |
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".
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