Base | Representation |
---|---|
bin | 10010110110101110… |
… | …001000010011011100 |
3 | 1221020221022122112002 |
4 | 102312232020103130 |
5 | 312430311241012 |
6 | 13144533301432 |
7 | 1314462121625 |
oct | 226656102334 |
9 | 57227278462 |
10 | 20245415132 |
11 | 864a011048 |
12 | 3b10194878 |
13 | 1ba84a34a7 |
14 | da0b2aa4c |
15 | 7d75967c2 |
hex | 4b6b884dc |
20245415132 has 24 divisors (see below), whose sum is σ = 36114738912. Its totient is φ = 9928396800.
The previous prime is 20245415129. The next prime is 20245415149. The reversal of 20245415132 is 23151454202.
It is a super-3 number, since 3×202454151323 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20245415095 and 20245415104.
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 7 ways as a sum of consecutive naturals, for example, 129869 + ... + 239492.
It is an arithmetic number, because the mean of its divisors is an integer number (1504780788).
Almost surely, 220245415132 is an apocalyptic number.
It is an amenable number.
20245415132 is a deficient number, since it is larger than the sum of its proper divisors (15869323780).
20245415132 is a wasteful number, since it uses less digits than its factorization.
20245415132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 369629 (or 369627 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 29.
Adding to 20245415132 its reverse (23151454202), we get a palindrome (43396869334).
The spelling of 20245415132 in words is "twenty billion, two hundred forty-five million, four hundred fifteen thousand, one hundred thirty-two".
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