Base | Representation |
---|---|
bin | 1100001110110000111… |
… | …0011011100011000000 |
3 | 202002100201221001220000 |
4 | 3003230032123203000 |
5 | 11420312114323112 |
6 | 240310055520000 |
7 | 21116003302650 |
oct | 3035416334300 |
9 | 662321831800 |
10 | 210121636032 |
11 | 81126205160 |
12 | 34881389000 |
13 | 16a78287119 |
14 | a254468360 |
15 | 56ebd5c7dc |
hex | 30ec39b8c0 |
210121636032 has 1120 divisors, whose sum is σ = 819355654656. Its totient is φ = 51657523200.
The previous prime is 210121636013. The next prime is 210121636033. The reversal of 210121636032 is 230636121012.
210121636032 is a `hidden beast` number, since 2 + 1 + 0 + 1 + 21 + 636 + 0 + 3 + 2 = 666.
It is a super-2 number, since 2×2101216360322 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 210121635987 and 210121636005.
It is not an unprimeable number, because it can be changed into a prime (210121636033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 605537683 + ... + 605538029.
Almost surely, 2210121636032 is an apocalyptic number.
210121636032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 210121636032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409677827328).
210121636032 is an abundant number, since it is smaller than the sum of its proper divisors (609234018624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210121636032 is a wasteful number, since it uses less digits than its factorization.
210121636032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 467 (or 448 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Adding to 210121636032 its reverse (230636121012), we get a palindrome (440757757044).
The spelling of 210121636032 in words is "two hundred ten billion, one hundred twenty-one million, six hundred thirty-six thousand, thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •