Base | Representation |
---|---|
bin | 111110101111110… |
… | …0000011110110100 |
3 | 12102201200222122000 |
4 | 1331133200132310 |
5 | 13302441132013 |
6 | 544530135300 |
7 | 103113462654 |
oct | 17537403664 |
9 | 5381628560 |
10 | 2105411508 |
11 | 9904a4912 |
12 | 4a9121530 |
13 | 277264035 |
14 | 15d898364 |
15 | c4c85973 |
hex | 7d7e07b4 |
2105411508 has 48 divisors (see below), whose sum is σ = 5745768000. Its totient is φ = 664866144.
The previous prime is 2105411507. The next prime is 2105411579. The reversal of 2105411508 is 8051145012.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105411507) 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 15 ways as a sum of consecutive naturals, for example, 510963 + ... + 515066.
It is an arithmetic number, because the mean of its divisors is an integer number (119703500).
Almost surely, 22105411508 is an apocalyptic number.
It is an amenable number.
2105411508 is an abundant number, since it is smaller than the sum of its proper divisors (3640356492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105411508 is a wasteful number, since it uses less digits than its factorization.
2105411508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1026061 (or 1026053 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 27.
The square root of 2105411508 is about 45884.7633534270. The cubic root of 2105411508 is about 1281.6781999654.
The spelling of 2105411508 in words is "two billion, one hundred five million, four hundred eleven thousand, five hundred eight".
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