Base | Representation |
---|---|
bin | 10011001100000000… |
… | …00000010111001001 |
3 | 222120220112210110021 |
4 | 21212000000113021 |
5 | 132044102241410 |
6 | 4422102420441 |
7 | 513162600232 |
oct | 114600002711 |
9 | 28526483407 |
10 | 10301212105 |
11 | 4406847138 |
12 | 1bb5a31721 |
13 | c82220ba2 |
14 | 6da170089 |
15 | 40455aeda |
hex | 2660005c9 |
10301212105 has 4 divisors (see below), whose sum is σ = 12361454532. Its totient is φ = 8240969680.
The previous prime is 10301212091. The next prime is 10301212127. The reversal of 10301212105 is 50121210301.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1031951376 + 9269260729 = 32124^2 + 96277^2 .
It is not a de Polignac number, because 10301212105 - 215 = 10301179337 is a prime.
It is a super-2 number, since 2×103012121052 (a number of 21 digits) contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030121206 + ... + 1030121215.
It is an arithmetic number, because the mean of its divisors is an integer number (3090363633).
Almost surely, 210301212105 is an apocalyptic number.
It is an amenable number.
10301212105 is a deficient number, since it is larger than the sum of its proper divisors (2060242427).
10301212105 is an equidigital number, since it uses as much as digits as its factorization.
10301212105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2060242426.
The product of its (nonzero) digits is 60, while the sum is 16.
Adding to 10301212105 its reverse (50121210301), we get a palindrome (60422422406).
The spelling of 10301212105 in words is "ten billion, three hundred one million, two hundred twelve thousand, one hundred five".
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