Base | Representation |
---|---|
bin | 10010111111111111… |
… | …101110110100101111 |
3 | 1221122210010102011201 |
4 | 102333333232310233 |
5 | 313240130234203 |
6 | 13212212430331 |
7 | 1321361562652 |
oct | 227777566457 |
9 | 57583112151 |
10 | 20401024303 |
11 | 8719934570 |
12 | 3b543183a7 |
13 | 1c017b751a |
14 | db7675899 |
15 | 7e6082e1d |
hex | 4bffeed2f |
20401024303 has 8 divisors (see below), whose sum is σ = 22368638160. Its totient is φ = 18452239680.
The previous prime is 20401024297. The next prime is 20401024321. The reversal of 20401024303 is 30342010402.
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-20401024303 is a prime.
It is a super-2 number, since 2×204010243032 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20401024333) 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, 4705038 + ... + 4709371.
It is an arithmetic number, because the mean of its divisors is an integer number (2796079770).
Almost surely, 220401024303 is an apocalyptic number.
20401024303 is a deficient number, since it is larger than the sum of its proper divisors (1967613857).
20401024303 is a wasteful number, since it uses less digits than its factorization.
20401024303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9414617.
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 20401024303 its reverse (30342010402), we get a palindrome (50743034705).
The spelling of 20401024303 in words is "twenty billion, four hundred one million, twenty-four thousand, three hundred three".
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