Base | Representation |
---|---|
bin | 10001111001110100110… |
… | …111011000100110110100 |
3 | 11100121200012121212211221 |
4 | 101321310313120212310 |
5 | 130124144224304140 |
6 | 2341111331440124 |
7 | 154613336455651 |
oct | 21716467304664 |
9 | 4317605555757 |
10 | 1230321322420 |
11 | 43485a348443 |
12 | 17a540156044 |
13 | 8c032404bc8 |
14 | 437954d6c28 |
15 | 2200bb3614a |
hex | 11e74dd89b4 |
1230321322420 has 24 divisors (see below), whose sum is σ = 2603397490848. Its totient is φ = 488371821600.
The previous prime is 1230321322397. The next prime is 1230321322487. The reversal of 1230321322420 is 242231230321.
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, 234791526 + ... + 234796765.
It is an arithmetic number, because the mean of its divisors is an integer number (108474895452).
Almost surely, 21230321322420 is an apocalyptic number.
1230321322420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1230321322420 is an abundant number, since it is smaller than the sum of its proper divisors (1373076168428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230321322420 is a wasteful number, since it uses less digits than its factorization.
1230321322420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469588431 (or 469588429 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 1230321322420 its reverse (242231230321), we get a palindrome (1472552552741).
The spelling of 1230321322420 in words is "one trillion, two hundred thirty billion, three hundred twenty-one million, three hundred twenty-two thousand, four hundred twenty".
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