Base | Representation |
---|---|
bin | 10011000010011111… |
… | …00100000000110110 |
3 | 222101100101010121110 |
4 | 21201033210000312 |
5 | 131413134413324 |
6 | 4410132055450 |
7 | 511203334200 |
oct | 114117440066 |
9 | 28340333543 |
10 | 10221404214 |
11 | 43757972aa |
12 | 1b93164586 |
13 | c6b82a098 |
14 | 6cd717770 |
15 | 3ec544329 |
hex | 2613e4036 |
10221404214 has 48 divisors (see below), whose sum is σ = 23893258176. Its totient is φ = 2906542800.
The previous prime is 10221404213. The next prime is 10221404231. The reversal of 10221404214 is 41240412201.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10221404213) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20352 + ... + 144419.
It is an arithmetic number, because the mean of its divisors is an integer number (497776212).
Almost surely, 210221404214 is an apocalyptic number.
10221404214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
10221404214 is an abundant number, since it is smaller than the sum of its proper divisors (13671853962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10221404214 is a wasteful number, since it uses less digits than its factorization.
10221404214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165001 (or 164994 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 10221404214 its reverse (41240412201), we get a palindrome (51461816415).
The spelling of 10221404214 in words is "ten billion, two hundred twenty-one million, four hundred four thousand, two hundred fourteen".
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