Base | Representation |
---|---|
bin | 111110111000111… |
… | …010000001010001 |
3 | 2201112100220002212 |
4 | 332320322001101 |
5 | 4130101330410 |
6 | 252410321505 |
7 | 35101150115 |
oct | 7670720121 |
9 | 2645326085 |
10 | 1055105105 |
11 | 4a164109a |
12 | 255429295 |
13 | 13a792162 |
14 | a01b3745 |
15 | 62968b05 |
hex | 3ee3a051 |
1055105105 has 16 divisors (see below), whose sum is σ = 1342842624. Its totient is φ = 794143680.
The previous prime is 1055105063. The next prime is 1055105113. The reversal of 1055105105 is 5015015501.
It is a happy number.
1055105105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1055105105 - 212 = 1055101009 is a prime.
It is a super-2 number, since 2×10551051052 = 2226493565194122050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68189 + ... + 82218.
It is an arithmetic number, because the mean of its divisors is an integer number (83927664).
Almost surely, 21055105105 is an apocalyptic number.
It is an amenable number.
1055105105 is a deficient number, since it is larger than the sum of its proper divisors (287737519).
1055105105 is a wasteful number, since it uses less digits than its factorization.
1055105105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150496.
The product of its (nonzero) digits is 625, while the sum is 23.
The square root of 1055105105 is about 32482.3814551827. The cubic root of 1055105105 is about 1018.0409356798.
The spelling of 1055105105 in words is "one billion, fifty-five million, one hundred five thousand, one hundred five".
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