Base | Representation |
---|---|
bin | 10010101000001110… |
… | …101111000001111100 |
3 | 1220121222212022220200 |
4 | 102220032233001330 |
5 | 311431042212444 |
6 | 13104450443500 |
7 | 1305450531315 |
oct | 225016570174 |
9 | 56558768820 |
10 | 20002304124 |
11 | 8534863160 |
12 | 3a62893590 |
13 | 1b6a00361a |
14 | d7a72560c |
15 | 7c1073969 |
hex | 4a83af07c |
20002304124 has 72 divisors (see below), whose sum is σ = 55289969280. Its totient is φ = 6046788000.
The previous prime is 20002304107. The next prime is 20002304149. The reversal of 20002304124 is 42140320002.
20002304124 is a `hidden beast` number, since 20 + 0 + 0 + 230 + 412 + 4 = 666.
It is a super-4 number, since 4×200023041244 (a number of 42 digits) contains 4444 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 = 20002304097 and 20002304106.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105649 + ... + 226199.
It is an arithmetic number, because the mean of its divisors is an integer number (767916240).
Almost surely, 220002304124 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 20002304124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27644984640).
20002304124 is an abundant number, since it is smaller than the sum of its proper divisors (35287665156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20002304124 is a wasteful number, since it uses less digits than its factorization.
20002304124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120991 (or 120986 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 20002304124 its reverse (42140320002), we get a palindrome (62142624126).
The spelling of 20002304124 in words is "twenty billion, two million, three hundred four thousand, one hundred twenty-four".
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