Base | Representation |
---|---|
bin | 11110001101101011… |
… | …10111001000011001 |
3 | 1112212110111121111100 |
4 | 33012311313020121 |
5 | 231210023110410 |
6 | 11241330222013 |
7 | 1112653314051 |
oct | 170665671031 |
9 | 45773447440 |
10 | 16220910105 |
11 | 697430a934 |
12 | 3188424909 |
13 | 16b6781c7a |
14 | adc438561 |
15 | 64e0d08c0 |
hex | 3c6d77219 |
16220910105 has 24 divisors (see below), whose sum is σ = 28318530240. Its totient is φ = 8588910240.
The previous prime is 16220910091. The next prime is 16220910107. The reversal of 16220910105 is 50101902261.
It is not a de Polignac number, because 16220910105 - 213 = 16220901913 is a prime.
It is a super-2 number, since 2×162209101052 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (16220910107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1290381 + ... + 1302890.
It is an arithmetic number, because the mean of its divisors is an integer number (1179938760).
Almost surely, 216220910105 is an apocalyptic number.
16220910105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
16220910105 is a deficient number, since it is larger than the sum of its proper divisors (12097620135).
16220910105 is a wasteful number, since it uses less digits than its factorization.
16220910105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2593421 (or 2593418 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The spelling of 16220910105 in words is "sixteen billion, two hundred twenty million, nine hundred ten thousand, one hundred five".
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