Base | Representation |
---|---|
bin | 10010111010101001… |
… | …111001000100001110 |
3 | 1221102112111200120210 |
4 | 102322221321010032 |
5 | 313044210204011 |
6 | 13155252023250 |
7 | 1316223106353 |
oct | 227251710416 |
9 | 57375450523 |
10 | 20311413006 |
11 | 8683299245 |
12 | 3b2a301b26 |
13 | 1bb90704a1 |
14 | da97ca62a |
15 | 7dd2816a6 |
hex | 4baa7910e |
20311413006 has 32 divisors (see below), whose sum is σ = 42187989888. Its totient is φ = 6514310880.
The previous prime is 20311412951. The next prime is 20311413029. The reversal of 20311413006 is 60031411302.
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 15 ways as a sum of consecutive naturals, for example, 570225 + ... + 604796.
It is an arithmetic number, because the mean of its divisors is an integer number (1318374684).
Almost surely, 220311413006 is an apocalyptic number.
20311413006 is an abundant number, since it is smaller than the sum of its proper divisors (21876576882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20311413006 is a wasteful number, since it uses less digits than its factorization.
20311413006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1175136.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 20311413006 its reverse (60031411302), we get a palindrome (80342824308).
The spelling of 20311413006 in words is "twenty billion, three hundred eleven million, four hundred thirteen thousand, six".
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