Base | Representation |
---|---|
bin | 10010110110100010… |
… | …00001000110001001 |
3 | 222010100200021112020 |
4 | 21123101001012021 |
5 | 131212001402220 |
6 | 4352150435053 |
7 | 505545055566 |
oct | 113321010611 |
9 | 28110607466 |
10 | 10121122185 |
11 | 4324122999 |
12 | 1b65662a89 |
13 | c53b180c5 |
14 | 6c029186d |
15 | 3e3836040 |
hex | 25b441189 |
10121122185 has 8 divisors (see below), whose sum is σ = 16193795520. Its totient is φ = 5397931824.
The previous prime is 10121122183. The next prime is 10121122213. The reversal of 10121122185 is 58122112101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10121122185 - 21 = 10121122183 is a prime.
It is a super-2 number, since 2×101211221852 (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 (10121122181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337370725 + ... + 337370754.
It is an arithmetic number, because the mean of its divisors is an integer number (2024224440).
Almost surely, 210121122185 is an apocalyptic number.
10121122185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10121122185 is a deficient number, since it is larger than the sum of its proper divisors (6072673335).
10121122185 is an equidigital number, since it uses as much as digits as its factorization.
10121122185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 674741487.
The product of its (nonzero) digits is 320, while the sum is 24.
Adding to 10121122185 its reverse (58122112101), we get a palindrome (68243234286).
The spelling of 10121122185 in words is "ten billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred eighty-five".
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