Base | Representation |
---|---|
bin | 10011000000001000… |
… | …010111001000001101 |
3 | 1221122221101100101022 |
4 | 103000020113020031 |
5 | 313241220132131 |
6 | 13212333123525 |
7 | 1321420034261 |
oct | 230010271015 |
9 | 57587340338 |
10 | 20403286541 |
11 | 872013a190 |
12 | 3b550295a5 |
13 | 1c020ca121 |
14 | db7aa40a1 |
15 | 7e637d37b |
hex | 4c021720d |
20403286541 has 8 divisors (see below), whose sum is σ = 22407516000. Its totient is φ = 18423954640.
The previous prime is 20403286493. The next prime is 20403286571. The reversal of 20403286541 is 14568230402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20403286541 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20403286571) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6222671 + ... + 6225948.
It is an arithmetic number, because the mean of its divisors is an integer number (2800939500).
Almost surely, 220403286541 is an apocalyptic number.
It is an amenable number.
20403286541 is a deficient number, since it is larger than the sum of its proper divisors (2004229459).
20403286541 is a wasteful number, since it uses less digits than its factorization.
20403286541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12448779.
The product of its (nonzero) digits is 46080, while the sum is 35.
The spelling of 20403286541 in words is "twenty billion, four hundred three million, two hundred eighty-six thousand, five hundred forty-one".
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