Base | Representation |
---|---|
bin | 11100001000000101… |
… | …000011000100111100 |
3 | 2212221201012210221200 |
4 | 130020011003010330 |
5 | 443322234441444 |
6 | 21512425255500 |
7 | 2116251263133 |
oct | 341005030474 |
9 | 85851183850 |
10 | 30200312124 |
11 | 1189831a544 |
12 | 5a2a034590 |
13 | 2b03a2b498 |
14 | 1666cac91a |
15 | bbb4e5969 |
hex | 70814313c |
30200312124 has 144 divisors (see below), whose sum is σ = 79955986656. Its totient is φ = 9601804800.
The previous prime is 30200312119. The next prime is 30200312141. The reversal of 30200312124 is 42121300203.
30200312124 is a `hidden beast` number, since 30 + 200 + 312 + 124 = 666.
It is a super-3 number, since 3×302003121243 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30200312097 and 30200312106.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39894354 + ... + 39895110.
Almost surely, 230200312124 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30200312124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39977993328).
30200312124 is an abundant number, since it is smaller than the sum of its proper divisors (49755674532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30200312124 is a wasteful number, since it uses less digits than its factorization.
30200312124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1356 (or 1351 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 30200312124 its reverse (42121300203), we get a palindrome (72321612327).
The spelling of 30200312124 in words is "thirty billion, two hundred million, three hundred twelve thousand, one hundred twenty-four".
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