Base | Representation |
---|---|
bin | 1100100010001010101… |
… | …1001110110101111010 |
3 | 202120210201121121222120 |
4 | 3020202223032311322 |
5 | 12011444002420010 |
6 | 242530555502110 |
7 | 21362036563353 |
oct | 3104253166572 |
9 | 676721547876 |
10 | 215330123130 |
11 | 83359271651 |
12 | 35895757936 |
13 | 173c8382055 |
14 | a5ca0bad2a |
15 | 5904247e70 |
hex | 3222aced7a |
215330123130 has 64 divisors (see below), whose sum is σ = 518085911808. Its totient is φ = 57277785600.
The previous prime is 215330123123. The next prime is 215330123167. The reversal of 215330123130 is 31321033512.
It is a self number, because there is not a number n which added to its sum of digits gives 215330123130.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29288955 + ... + 29296305.
It is an arithmetic number, because the mean of its divisors is an integer number (8095092372).
Almost surely, 2215330123130 is an apocalyptic number.
215330123130 is an abundant number, since it is smaller than the sum of its proper divisors (302755788678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215330123130 is a wasteful number, since it uses less digits than its factorization.
215330123130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9671.
The product of its (nonzero) digits is 1620, while the sum is 24.
Adding to 215330123130 its reverse (31321033512), we get a palindrome (246651156642).
The spelling of 215330123130 in words is "two hundred fifteen billion, three hundred thirty million, one hundred twenty-three thousand, one hundred thirty".
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