Base | Representation |
---|---|
bin | 1100100010000… |
… | …00000010111011 |
3 | 21022210122102210 |
4 | 12101000002323 |
5 | 203402314211 |
6 | 14233030203 |
7 | 2414335050 |
oct | 621000273 |
9 | 238718383 |
10 | 105119931 |
11 | 54379184 |
12 | 2b255363 |
13 | 18a17057 |
14 | dd65027 |
15 | 93669a6 |
hex | 64400bb |
105119931 has 16 divisors (see below), whose sum is σ = 160889600. Its totient is φ = 59803488.
The previous prime is 105119881. The next prime is 105119933. The reversal of 105119931 is 139911501.
It is not a de Polignac number, because 105119931 - 27 = 105119803 is a prime.
It is a super-2 number, since 2×1051199312 = 22100399786889522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105119933) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6121 + ... + 15738.
It is an arithmetic number, because the mean of its divisors is an integer number (10055600).
Almost surely, 2105119931 is an apocalyptic number.
105119931 is a deficient number, since it is larger than the sum of its proper divisors (55769669).
105119931 is a wasteful number, since it uses less digits than its factorization.
105119931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22098.
The product of its (nonzero) digits is 1215, while the sum is 30.
The square root of 105119931 is about 10252.8011294475. The cubic root of 105119931 is about 471.9489480238.
The spelling of 105119931 in words is "one hundred five million, one hundred nineteen thousand, nine hundred thirty-one".
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