Base | Representation |
---|---|
bin | 101111100011000111… |
… | …1001100100100011101 |
3 | 100202120020012120000111 |
4 | 1133012033030210131 |
5 | 3133110142321341 |
6 | 114524142130021 |
7 | 10243245462334 |
oct | 1370617144435 |
9 | 322506176014 |
10 | 102110120221 |
11 | 3a33955670a |
12 | 17958580911 |
13 | 9823a31aa5 |
14 | 4d293c2d1b |
15 | 29c9600681 |
hex | 17c63cc91d |
102110120221 has 8 divisors (see below), whose sum is σ = 102696422400. Its totient is φ = 101523994560.
The previous prime is 102110120191. The next prime is 102110120239. The reversal of 102110120221 is 122021011201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102110120221 - 231 = 99962636573 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102110120621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219461 + ... + 1300501.
It is an arithmetic number, because the mean of its divisors is an integer number (12837052800).
Almost surely, 2102110120221 is an apocalyptic number.
It is an amenable number.
102110120221 is a deficient number, since it is larger than the sum of its proper divisors (586302179).
102110120221 is an equidigital number, since it uses as much as digits as its factorization.
102110120221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88259.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 102110120221 its reverse (122021011201), we get a palindrome (224131131422).
The spelling of 102110120221 in words is "one hundred two billion, one hundred ten million, one hundred twenty thousand, two hundred twenty-one".
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