Base | Representation |
---|---|
bin | 11110111111110001001… |
… | …100100110011010100010 |
3 | 21112122001020001220112200 |
4 | 132333301030212122202 |
5 | 234344323142024100 |
6 | 4310311200034030 |
7 | 306614521236300 |
oct | 36776114463242 |
9 | 7478036056480 |
10 | 2130055423650 |
11 | 751395835590 |
12 | 2a499b302916 |
13 | 125b2ba72b5b |
14 | 75149465270 |
15 | 3a61ab3ce00 |
hex | 1eff13266a2 |
2130055423650 has 432 divisors, whose sum is σ = 7319552947200. Its totient is φ = 439117459200.
The previous prime is 2130055423633. The next prime is 2130055423651. The reversal of 2130055423650 is 563245500312.
2130055423650 is a `hidden beast` number, since 2 + 1 + 30 + 0 + 5 + 542 + 36 + 50 = 666.
It is a super-2 number, since 2×21300554236502 (a number of 25 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2130055423651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 30769276 + ... + 30838424.
It is an arithmetic number, because the mean of its divisors is an integer number (16943409600).
Almost surely, 22130055423650 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2130055423650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3659776473600).
2130055423650 is an abundant number, since it is smaller than the sum of its proper divisors (5189497523550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130055423650 is a wasteful number, since it uses less digits than its factorization.
2130055423650 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69319 (or 69304 counting only the distinct ones).
The product of its (nonzero) digits is 108000, while the sum is 36.
The spelling of 2130055423650 in words is "two trillion, one hundred thirty billion, fifty-five million, four hundred twenty-three thousand, six hundred fifty".
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