Base | Representation |
---|---|
bin | 101111100101110111… |
… | …0111000000101101101 |
3 | 100202210122200100000120 |
4 | 1133023232320011231 |
5 | 3133302242423041 |
6 | 114541234115153 |
7 | 10245445211226 |
oct | 1371356700555 |
9 | 322718610016 |
10 | 102202311021 |
11 | 3a3865a3a58 |
12 | 1798341bab9 |
13 | 9839b6cc65 |
14 | 4d3774024d |
15 | 29d2761366 |
hex | 17cbbb816d |
102202311021 has 8 divisors (see below), whose sum is σ = 136272073920. Its totient is φ = 68133711072.
The previous prime is 102202310993. The next prime is 102202311031. The reversal of 102202311021 is 120113202201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102202311021 - 26 = 102202310957 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102202311031) 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, 59376 + ... + 455993.
It is an arithmetic number, because the mean of its divisors is an integer number (17034009240).
Almost surely, 2102202311021 is an apocalyptic number.
It is an amenable number.
102202311021 is a deficient number, since it is larger than the sum of its proper divisors (34069762899).
102202311021 is an equidigital number, since it uses as much as digits as its factorization.
102202311021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 581475.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 102202311021 its reverse (120113202201), we get a palindrome (222315513222).
The spelling of 102202311021 in words is "one hundred two billion, two hundred two million, three hundred eleven thousand, twenty-one".
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