Base | Representation |
---|---|
bin | 11101110010110001011000… |
… | …011001000100000001011010 |
3 | 122011221120101102200201101001 |
4 | 131302301120121010001122 |
5 | 114133313220334401300 |
6 | 1142403232311015214 |
7 | 36412526444325025 |
oct | 3562613031040132 |
9 | 564846342621331 |
10 | 131032345231450 |
11 | 38829561971263 |
12 | 12842b4336a50a |
13 | 58163b2a66a20 |
14 | 244dddc2d41bc |
15 | 10236ba79216a |
hex | 772c5864405a |
131032345231450 has 48 divisors (see below), whose sum is σ = 262469190584160. Its totient is φ = 48380929629120.
The previous prime is 131032345231213. The next prime is 131032345231453. The reversal of 131032345231450 is 54132543230131.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (131032345231453) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175118221 + ... + 175864879.
It is an arithmetic number, because the mean of its divisors is an integer number (5468108137170).
Almost surely, 2131032345231450 is an apocalyptic number.
131032345231450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131032345231450 is an abundant number, since it is smaller than the sum of its proper divisors (131436845352710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131032345231450 is a wasteful number, since it uses less digits than its factorization.
131032345231450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1016671 (or 1016666 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 37.
Adding to 131032345231450 its reverse (54132543230131), we get a palindrome (185164888461581).
The spelling of 131032345231450 in words is "one hundred thirty-one trillion, thirty-two billion, three hundred forty-five million, two hundred thirty-one thousand, four hundred fifty".
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