Base | Representation |
---|---|
bin | 10100111010001001… |
… | …011010000110010010 |
3 | 2010221121100112100002 |
4 | 110322021122012102 |
5 | 331434244144302 |
6 | 14151421330002 |
7 | 1423225043264 |
oct | 247211320622 |
9 | 63847315302 |
10 | 22450381202 |
11 | 9580722757 |
12 | 4426706902 |
13 | 216a253342 |
14 | 112d8dbb34 |
15 | 8b5e44c02 |
hex | 53a25a192 |
22450381202 has 18 divisors (see below), whose sum is σ = 34044748959. Its totient is φ = 11103455200.
The previous prime is 22450381153. The next prime is 22450381249. The reversal of 22450381202 is 20218305422.
It can be written as a sum of positive squares in 5 ways, for example, as 20782393921 + 1667987281 = 144161^2 + 40841^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=105949.
It is a super-2 number, since 2×224503812022 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21401174 + ... + 21402222.
Almost surely, 222450381202 is an apocalyptic number.
22450381202 is a deficient number, since it is larger than the sum of its proper divisors (11594367757).
22450381202 is an frugal number, since it uses more digits than its factorization.
22450381202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2302 (or 1152 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 29.
Adding to 22450381202 its reverse (20218305422), we get a palindrome (42668686624).
The spelling of 22450381202 in words is "twenty-two billion, four hundred fifty million, three hundred eighty-one thousand, two hundred two".
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