Base | Representation |
---|---|
bin | 10011000000101010… |
… | …011000010101010100 |
3 | 1221200120011102100100 |
4 | 103000222120111110 |
5 | 313301011014442 |
6 | 13213252214100 |
7 | 1321555605630 |
oct | 230052302524 |
9 | 57616142310 |
10 | 20412204372 |
11 | 872518029a |
12 | 3b5800a330 |
13 | 1c03c00251 |
14 | db8d45dc0 |
15 | 7e704084c |
hex | 4c0a98554 |
20412204372 has 72 divisors (see below), whose sum is σ = 59133110400. Its totient is φ = 5815787328.
The previous prime is 20412204367. The next prime is 20412204377. The reversal of 20412204372 is 27340221402.
20412204372 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 220 + 437 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (20412204367) and next prime (20412204377).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20412204377) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 22347 + ... + 203282.
It is an arithmetic number, because the mean of its divisors is an integer number (821293200).
Almost surely, 220412204372 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 20412204372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29566555200).
20412204372 is an abundant number, since it is smaller than the sum of its proper divisors (38720906028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20412204372 is a wasteful number, since it uses less digits than its factorization.
20412204372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226005 (or 226000 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 27.
Adding to 20412204372 its reverse (27340221402), we get a palindrome (47752425774).
The spelling of 20412204372 in words is "twenty billion, four hundred twelve million, two hundred four thousand, three hundred seventy-two".
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