Base | Representation |
---|---|
bin | 10011000010011100… |
… | …00011110101000101 |
3 | 222101022122010012000 |
4 | 21201032003311011 |
5 | 131413034311440 |
6 | 4410115415513 |
7 | 511200103455 |
oct | 114116036505 |
9 | 28338563160 |
10 | 10221010245 |
11 | 4375548306 |
12 | 1b92bb4599 |
13 | c6b71c974 |
14 | 6cd653d65 |
15 | 3ec4b7730 |
hex | 261383d45 |
10221010245 has 48 divisors (see below), whose sum is σ = 18474356160. Its totient is φ = 5361577920.
The previous prime is 10221010229. The next prime is 10221010307. The reversal of 10221010245 is 54201012201.
It is not a de Polignac number, because 10221010245 - 24 = 10221010229 is a prime.
It is a super-3 number, since 3×102210102453 (a number of 31 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 492162 + ... + 512508.
It is an arithmetic number, because the mean of its divisors is an integer number (384882420).
Almost surely, 210221010245 is an apocalyptic number.
10221010245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10221010245 is a deficient number, since it is larger than the sum of its proper divisors (8253345915).
10221010245 is an equidigital number, since it uses as much as digits as its factorization.
10221010245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20483 (or 20416 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
Adding to 10221010245 its reverse (54201012201), we get a palindrome (64422022446).
The spelling of 10221010245 in words is "ten billion, two hundred twenty-one million, ten thousand, two hundred forty-five".
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