Base | Representation |
---|---|
bin | 10111010100100000… |
… | …11100110000001110 |
3 | 1012022112210202021220 |
4 | 23222100130300032 |
5 | 201120122141324 |
6 | 5430205304210 |
7 | 622155136425 |
oct | 135220346016 |
9 | 35275722256 |
10 | 12520115214 |
11 | 5345307962 |
12 | 2514b65066 |
13 | 1246b405c9 |
14 | 86ab2c2bc |
15 | 4d425db79 |
hex | 2ea41cc0e |
12520115214 has 16 divisors (see below), whose sum is σ = 25054487040. Its totient is φ = 4170995640.
The previous prime is 12520115191. The next prime is 12520115233. The reversal of 12520115214 is 41251102521.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582592 + ... + 603699.
It is an arithmetic number, because the mean of its divisors is an integer number (1565905440).
Almost surely, 212520115214 is an apocalyptic number.
12520115214 is an abundant number, since it is smaller than the sum of its proper divisors (12534371826).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12520115214 is a wasteful number, since it uses less digits than its factorization.
12520115214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1188055.
The product of its (nonzero) digits is 800, while the sum is 24.
Adding to 12520115214 its reverse (41251102521), we get a palindrome (53771217735).
The spelling of 12520115214 in words is "twelve billion, five hundred twenty million, one hundred fifteen thousand, two hundred fourteen".
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