Base | Representation |
---|---|
bin | 11111000000110111010… |
… | …001000111100110110111 |
3 | 21112202002011011001101012 |
4 | 133000313101013212313 |
5 | 234404230114411203 |
6 | 4311023553022435 |
7 | 306655614466340 |
oct | 37006721074667 |
9 | 7482064131335 |
10 | 2131231013303 |
11 | 751939389487 |
12 | 2a5068b54a1b |
13 | 125c8849b632 |
14 | 7521b63d0c7 |
15 | 3a688e55bd8 |
hex | 1f0374479b7 |
2131231013303 has 16 divisors (see below), whose sum is σ = 2477207316480. Its totient is φ = 1795747241376.
The previous prime is 2131231013297. The next prime is 2131231013347. The reversal of 2131231013303 is 3033101321312.
It is a cyclic number.
It is not a de Polignac number, because 2131231013303 - 28 = 2131231013047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131231013393) 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 15 ways as a sum of consecutive naturals, for example, 4518776 + ... + 4968077.
It is an arithmetic number, because the mean of its divisors is an integer number (154825457280).
Almost surely, 22131231013303 is an apocalyptic number.
2131231013303 is a deficient number, since it is larger than the sum of its proper divisors (345976303177).
2131231013303 is an equidigital number, since it uses as much as digits as its factorization.
2131231013303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9487406.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 2131231013303 its reverse (3033101321312), we get a palindrome (5164332334615).
The spelling of 2131231013303 in words is "two trillion, one hundred thirty-one billion, two hundred thirty-one million, thirteen thousand, three hundred three".
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