Base | Representation |
---|---|
bin | 10111000000111100101010… |
… | …101110001010101010100100 |
3 | 111021101120001112121100002221 |
4 | 113000330222232022222210 |
5 | 101231342443004311322 |
6 | 555135531211242124 |
7 | 30214630121454310 |
oct | 2700745256125244 |
9 | 437346045540087 |
10 | 101220211010212 |
11 | 2a285283345398 |
12 | b4291a3a49344 |
13 | 4463042a49198 |
14 | 1add12766cb40 |
15 | ba7e83a079c7 |
hex | 5c0f2ab8aaa4 |
101220211010212 has 96 divisors (see below), whose sum is σ = 204565474713600. Its totient is φ = 42927000302592.
The previous prime is 101220211010189. The next prime is 101220211010213. The reversal of 101220211010212 is 212010112022101.
It is a super-2 number, since 2×1012202110102122 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (101220211010213) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1474640589 + ... + 1474709227.
It is an arithmetic number, because the mean of its divisors is an integer number (2130890361600).
Almost surely, 2101220211010212 is an apocalyptic number.
It is an amenable number.
101220211010212 is an abundant number, since it is smaller than the sum of its proper divisors (103345263703388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101220211010212 is a wasteful number, since it uses less digits than its factorization.
101220211010212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70025 (or 70023 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 101220211010212 its reverse (212010112022101), we get a palindrome (313230323032313).
The spelling of 101220211010212 in words is "one hundred one trillion, two hundred twenty billion, two hundred eleven million, ten thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •