Base | Representation |
---|---|
bin | 1100001011101… |
… | …11011101111101 |
3 | 21010022100201010 |
4 | 12011313131331 |
5 | 202130414323 |
6 | 14050305433 |
7 | 2350460502 |
oct | 605673575 |
9 | 233270633 |
10 | 102201213 |
11 | 52765314 |
12 | 2a288279 |
13 | 182346ba |
14 | d8054a9 |
15 | 8e8bc93 |
hex | 617777d |
102201213 has 12 divisors (see below), whose sum is σ = 142452800. Its totient is φ = 65170776.
The previous prime is 102201173. The next prime is 102201217. The reversal of 102201213 is 312102201.
It is not a de Polignac number, because 102201213 - 26 = 102201149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102201217) 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, 30613 + ... + 33786.
Almost surely, 2102201213 is an apocalyptic number.
It is an amenable number.
102201213 is a deficient number, since it is larger than the sum of its proper divisors (40251587).
102201213 is an equidigital number, since it uses as much as digits as its factorization.
102201213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64448 (or 64425 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 102201213 is about 10109.4615583620. The cubic root of 102201213 is about 467.5399041310.
Adding to 102201213 its reverse (312102201), we get a palindrome (414303414).
The spelling of 102201213 in words is "one hundred two million, two hundred one thousand, two hundred thirteen".
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