| Base | Representation |
|---|---|
| bin | 101111001000101001… |
| … | …1101011010011001100 |
| 3 | 100200021100020120022220 |
| 4 | 1132101103223103030 |
| 5 | 3124300324232340 |
| 6 | 114300100535340 |
| 7 | 10212243446511 |
| oct | 1362123532314 |
| 9 | 320240216286 |
| 10 | 101222102220 |
| 11 | 39a23268638 |
| 12 | 1774b0b1550 |
| 13 | 9711a72155 |
| 14 | 4c834a5308 |
| 15 | 297668ded0 |
| hex | 17914eb4cc |
101222102220 has 96 divisors (see below), whose sum is σ = 288750604800. Its totient is φ = 26488788480.
The previous prime is 101222102183. The next prime is 101222102227. The reversal of 101222102220 is 22201222101.
It is a super-2 number, since 2×1012221022202 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 101222102220.
It is not an unprimeable number, because it can be changed into a prime (101222102227) 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 31 ways as a sum of consecutive naturals, for example, 813555 + ... + 929685.
It is an arithmetic number, because the mean of its divisors is an integer number (3007818800).
Almost surely, 2101222102220 is an apocalyptic number.
101222102220 is a gapful number since it is divisible by the number (10) 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 101222102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144375302400).
101222102220 is an abundant number, since it is smaller than the sum of its proper divisors (187528502580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101222102220 is a wasteful number, since it uses less digits than its factorization.
101222102220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116415 (or 116413 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 101222102220 its reverse (22201222101), we get a palindrome (123423324321).
The spelling of 101222102220 in words is "one hundred one billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •