Base | Representation |
---|---|
bin | 10010101000111111… |
… | …001110010111110110 |
3 | 1220122212210010112012 |
4 | 102220333032113312 |
5 | 311442320443124 |
6 | 13110023124222 |
7 | 1305663552422 |
oct | 225077162766 |
9 | 56585703465 |
10 | 20015015414 |
11 | 8540a55359 |
12 | 3a66ba3672 |
13 | 1b6c8342b4 |
14 | d7c2b3b82 |
15 | 7c2234e0e |
hex | 4a8fce5f6 |
20015015414 has 8 divisors (see below), whose sum is σ = 30314004240. Its totient is φ = 9910347336.
The previous prime is 20015015413. The next prime is 20015015417. The reversal of 20015015414 is 41451051002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×200150154143 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20015015414.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20015015413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48579929 + ... + 48580340.
It is an arithmetic number, because the mean of its divisors is an integer number (3789250530).
Almost surely, 220015015414 is an apocalyptic number.
20015015414 is a deficient number, since it is larger than the sum of its proper divisors (10298988826).
20015015414 is a wasteful number, since it uses less digits than its factorization.
20015015414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97160374.
The product of its (nonzero) digits is 800, while the sum is 23.
Adding to 20015015414 its reverse (41451051002), we get a palindrome (61466066416).
The spelling of 20015015414 in words is "twenty billion, fifteen million, fifteen thousand, four hundred fourteen".
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