Base | Representation |
---|---|
bin | 1101011101101100100… |
… | …1101111010010110000 |
3 | 211010001101122000012011 |
4 | 3113123021233102300 |
5 | 12242210331430000 |
6 | 254132400412304 |
7 | 22466035546210 |
oct | 3273311572260 |
9 | 733041560164 |
10 | 231310030000 |
11 | 8a109533155 |
12 | 389b5317094 |
13 | 18a73c2164a |
14 | b2a44dc240 |
15 | 603c0c02ba |
hex | 35db26f4b0 |
231310030000 has 400 divisors, whose sum is σ = 659121813504. Its totient is φ = 76970880000.
The previous prime is 231310029949. The next prime is 231310030073. The reversal of 231310030000 is 30013132.
It is a tau number, because it is divible by the number of its divisors (400).
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 549429790 + ... + 549430210.
Almost surely, 2231310030000 is an apocalyptic number.
231310030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231310030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329560906752).
231310030000 is an abundant number, since it is smaller than the sum of its proper divisors (427811783504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231310030000 is a wasteful number, since it uses less digits than its factorization.
231310030000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 670 (or 649 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 231310030000 its reverse (30013132), we get a palindrome (231340043132).
The spelling of 231310030000 in words is "two hundred thirty-one billion, three hundred ten million, thirty thousand".
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