Base | Representation |
---|---|
bin | 10011000011110001… |
… | …000011100100110111 |
3 | 1221211012011102220210 |
4 | 103003301003210313 |
5 | 313402324123012 |
6 | 13222352400503 |
7 | 1323060363264 |
oct | 230361034467 |
9 | 57735142823 |
10 | 20464286007 |
11 | 8751612a70 |
12 | 3b71546133 |
13 | 1c11936c99 |
14 | dc1c2226b |
15 | 7eb8cc23c |
hex | 4c3c43937 |
20464286007 has 32 divisors (see below), whose sum is σ = 31316431104. Its totient is φ = 11773036800.
The previous prime is 20464285979. The next prime is 20464286033. The reversal of 20464286007 is 70068246402.
It is not a de Polignac number, because 20464286007 - 26 = 20464285943 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20464286107) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 154333 + ... + 254454.
It is an arithmetic number, because the mean of its divisors is an integer number (978638472).
Almost surely, 220464286007 is an apocalyptic number.
20464286007 is a deficient number, since it is larger than the sum of its proper divisors (10852145097).
20464286007 is a wasteful number, since it uses less digits than its factorization.
20464286007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 408879.
The product of its (nonzero) digits is 129024, while the sum is 39.
The spelling of 20464286007 in words is "twenty billion, four hundred sixty-four million, two hundred eighty-six thousand, seven".
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