Base | Representation |
---|---|
bin | 10111001111001110001100… |
… | …011000010110010001000101 |
3 | 111101212022220112001112020020 |
4 | 113033032030120112101011 |
5 | 101343430324103014341 |
6 | 1001210312121325353 |
7 | 30345533403354006 |
oct | 2717161430262105 |
9 | 441768815045206 |
10 | 102201102001221 |
11 | 2a62327577aa73 |
12 | b567312336859 |
13 | 45046a40cacc2 |
14 | 1b347b9c831ad |
15 | bc3742850566 |
hex | 5cf38c616445 |
102201102001221 has 8 divisors (see below), whose sum is σ = 136391010790560. Its totient is φ = 68072630606352.
The previous prime is 102201102001157. The next prime is 102201102001337. The reversal of 102201102001221 is 122100201102201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102201102001221 - 26 = 102201102001157 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 102201102001221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102201102001021) 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, 15359344735 + ... + 15359351388.
It is an arithmetic number, because the mean of its divisors is an integer number (17048876348820).
Almost surely, 2102201102001221 is an apocalyptic number.
It is an amenable number.
102201102001221 is a deficient number, since it is larger than the sum of its proper divisors (34189908789339).
102201102001221 is a wasteful number, since it uses less digits than its factorization.
102201102001221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30718697235.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 102201102001221 its reverse (122100201102201), we get a palindrome (224301303103422).
The spelling of 102201102001221 in words is "one hundred two trillion, two hundred one billion, one hundred two million, one thousand, two hundred twenty-one".
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