Base | Representation |
---|---|
bin | 10010101010100110… |
… | …001011011101011000 |
3 | 1220201202120022100000 |
4 | 102222212023131120 |
5 | 312021223114222 |
6 | 13112425413000 |
7 | 1306442140311 |
oct | 225246133530 |
9 | 56652508300 |
10 | 20042004312 |
11 | 8555209530 |
12 | 3a7403a160 |
13 | 1b752c3865 |
14 | d81adb608 |
15 | 7c47b69ac |
hex | 4aa98b758 |
20042004312 has 96 divisors (see below), whose sum is σ = 61408226880. Its totient is φ = 6073328160.
The previous prime is 20042004299. The next prime is 20042004329. The reversal of 20042004312 is 21340024002.
20042004312 is a `hidden beast` number, since 200 + 420 + 0 + 43 + 1 + 2 = 666.
It is a super-3 number, since 3×200420043123 (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 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, 447238 + ... + 490005.
It is an arithmetic number, because the mean of its divisors is an integer number (639669030).
Almost surely, 220042004312 is an apocalyptic number.
20042004312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20042004312 is an abundant number, since it is smaller than the sum of its proper divisors (41366222568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20042004312 is a wasteful number, since it uses less digits than its factorization.
20042004312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 937275 (or 937259 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 20042004312 its reverse (21340024002), we get a palindrome (41382028314).
The spelling of 20042004312 in words is "twenty billion, forty-two million, four thousand, three hundred twelve".
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