Base | Representation |
---|---|
bin | 1101101111110110001101… |
… | …00100100011010110110100 |
3 | 10222001002022001201021211001 |
4 | 12313323012210203112310 |
5 | 12430302211143100040 |
6 | 144144023411053044 |
7 | 6240066035115205 |
oct | 667730644432664 |
9 | 128032261637731 |
10 | 30231311300020 |
11 | 96a6033111406 |
12 | 3483044ba1184 |
13 | 13b3a536b698c |
14 | 7672bbad95ac |
15 | 3765bc04a59a |
hex | 1b7ec69235b4 |
30231311300020 has 96 divisors (see below), whose sum is σ = 65251513958400. Its totient is φ = 11761090395264.
The previous prime is 30231311300017. The next prime is 30231311300027. The reversal of 30231311300020 is 2000311313203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30231311300027) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53518779 + ... + 54080701.
It is an arithmetic number, because the mean of its divisors is an integer number (679703270400).
Almost surely, 230231311300020 is an apocalyptic number.
It is an amenable number.
30231311300020 is an abundant number, since it is smaller than the sum of its proper divisors (35020202658380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231311300020 is a wasteful number, since it uses less digits than its factorization.
30231311300020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 562477 (or 562475 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 30231311300020 its reverse (2000311313203), we get a palindrome (32231622613223).
The spelling of 30231311300020 in words is "thirty trillion, two hundred thirty-one billion, three hundred eleven million, three hundred thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •