Base | Representation |
---|---|
bin | 1110000111001001110111… |
… | …11111001110100011000010 |
3 | 11001212122101112212200201010 |
4 | 13003210323333032203002 |
5 | 13031412313124102002 |
6 | 145555545355421350 |
7 | 6351666325352232 |
oct | 703447377164302 |
9 | 131778345780633 |
10 | 31032145144002 |
11 | 9984727a22462 |
12 | 35922a2754856 |
13 | 144141b335a52 |
14 | 793d6cab9cc2 |
15 | 38c33d64c46c |
hex | 1c393bfce8c2 |
31032145144002 has 16 divisors (see below), whose sum is σ = 62064466169472. Its totient is φ = 10344019067760.
The previous prime is 31032145143997. The next prime is 31032145144003. The reversal of 31032145144002 is 20044154123013.
It is not an unprimeable number, because it can be changed into a prime (31032145144003) 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, 4976649 + ... + 9318332.
It is an arithmetic number, because the mean of its divisors is an integer number (3879029135592).
Almost surely, 231032145144002 is an apocalyptic number.
31032145144002 is an abundant number, since it is smaller than the sum of its proper divisors (31032321025470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31032145144002 is a wasteful number, since it uses less digits than its factorization.
31032145144002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14656793.
The product of its (nonzero) digits is 11520, while the sum is 30.
Adding to 31032145144002 its reverse (20044154123013), we get a palindrome (51076299267015).
The spelling of 31032145144002 in words is "thirty-one trillion, thirty-two billion, one hundred forty-five million, one hundred forty-four thousand, two".
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