Base | Representation |
---|---|
bin | 1101101110111110001001… |
… | …00001001101111000011000 |
3 | 10221221012121101202111202120 |
4 | 12313133010201031320120 |
5 | 12424304040244200440 |
6 | 144122124552501240 |
7 | 6234652122125625 |
oct | 667370441157030 |
9 | 127835541674676 |
10 | 30201212100120 |
11 | 9694297982a96 |
12 | 34792449aa820 |
13 | 13b0c678cb319 |
14 | 765a6442b34c |
15 | 375909878dd0 |
hex | 1b77c484de18 |
30201212100120 has 64 divisors (see below), whose sum is σ = 91078000957440. Its totient is φ = 8011490812800.
The previous prime is 30201212100113. The next prime is 30201212100133. The reversal of 30201212100120 is 2100121210203.
It is a super-2 number, since 2×302012121001202 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 30201212100120.
It is a congruent number.
It is an unprimeable number.
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, 658816786 + ... + 658862625.
It is an arithmetic number, because the mean of its divisors is an integer number (1423093764960).
Almost surely, 230201212100120 is an apocalyptic number.
30201212100120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30201212100120 is an abundant number, since it is smaller than the sum of its proper divisors (60876788857320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30201212100120 is a wasteful number, since it uses less digits than its factorization.
30201212100120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1317679616 (or 1317679612 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 30201212100120 its reverse (2100121210203), we get a palindrome (32301333310323).
The spelling of 30201212100120 in words is "thirty trillion, two hundred one billion, two hundred twelve million, one hundred thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •