Base | Representation |
---|---|
bin | 10010101000100101… |
… | …110110010010001111 |
3 | 1220122102021011100002 |
4 | 102220211312102033 |
5 | 311434120110101 |
6 | 13105224354515 |
7 | 1305553165160 |
oct | 225045662217 |
9 | 56572234302 |
10 | 20008363151 |
11 | 8538221417 |
12 | 3a64915a3b |
13 | 1b6b34544a |
14 | d7b461767 |
15 | 7c186dd6b |
hex | 4a897648f |
20008363151 has 4 divisors (see below), whose sum is σ = 22866700752. Its totient is φ = 17150025552.
The previous prime is 20008363097. The next prime is 20008363169. The reversal of 20008363151 is 15136380002.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20008363151 - 218 = 20008101007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20008363171) 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 3 ways as a sum of consecutive naturals, for example, 1429168790 + ... + 1429168803.
It is an arithmetic number, because the mean of its divisors is an integer number (5716675188).
Almost surely, 220008363151 is an apocalyptic number.
20008363151 is a deficient number, since it is larger than the sum of its proper divisors (2858337601).
20008363151 is an equidigital number, since it uses as much as digits as its factorization.
20008363151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2858337600.
The product of its (nonzero) digits is 4320, while the sum is 29.
The spelling of 20008363151 in words is "twenty billion, eight million, three hundred sixty-three thousand, one hundred fifty-one".
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