Base | Representation |
---|---|
bin | 10011000010011111… |
… | …10100001000100010 |
3 | 222101100111111011221 |
4 | 21201033310020202 |
5 | 131413144021432 |
6 | 4410133325254 |
7 | 511204030534 |
oct | 114117641042 |
9 | 28340444157 |
10 | 10221470242 |
11 | 4375831975 |
12 | 1b9319682a |
13 | c6b851159 |
14 | 6cd733854 |
15 | 3ec558b97 |
hex | 2613f4222 |
10221470242 has 24 divisors (see below), whose sum is σ = 16284883356. Its totient is φ = 4810856544.
The previous prime is 10221470209. The next prime is 10221470249. The reversal of 10221470242 is 24207412201.
It can be written as a sum of positive squares in 2 ways, for example, as 9953853361 + 267616881 = 99769^2 + 16359^2 .
It is a super-3 number, since 3×102214702423 (a number of 31 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (10221470249) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68268 + ... + 158440.
Almost surely, 210221470242 is an apocalyptic number.
10221470242 is a deficient number, since it is larger than the sum of its proper divisors (6063413114).
10221470242 is a wasteful number, since it uses less digits than its factorization.
10221470242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90370 (or 90351 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 25.
Adding to 10221470242 its reverse (24207412201), we get a palindrome (34428882443).
The spelling of 10221470242 in words is "ten billion, two hundred twenty-one million, four hundred seventy thousand, two hundred forty-two".
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