Base | Representation |
---|---|
bin | 10111001111100000110101… |
… | …100111100100101011100101 |
3 | 111101221020120200201202111022 |
4 | 113033200311213210223211 |
5 | 101344242324012223414 |
6 | 1001223422414420525 |
7 | 30350142451006265 |
oct | 2717406547445345 |
9 | 441836520652438 |
10 | 102221121211109 |
11 | 2a63080902a72a |
12 | b56b17a801745 |
13 | 4506544770524 |
14 | 1b357589297a5 |
15 | bc401511318e |
hex | 5cf8359e4ae5 |
102221121211109 has 8 divisors (see below), whose sum is σ = 111072186036480. Its totient is φ = 93717156967200.
The previous prime is 102221121211091. The next prime is 102221121211117. The reversal of 102221121211109 is 901112121122201.
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 102221121211109 - 28 = 102221121210853 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102221121217109) 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, 86775144752 + ... + 86775145929.
It is an arithmetic number, because the mean of its divisors is an integer number (13884023254560).
Almost surely, 2102221121211109 is an apocalyptic number.
102221121211109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
102221121211109 is a deficient number, since it is larger than the sum of its proper divisors (8851064825371).
102221121211109 is a wasteful number, since it uses less digits than its factorization.
102221121211109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173550290731.
The product of its (nonzero) digits is 288, while the sum is 26.
The spelling of 102221121211109 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred eleven thousand, one hundred nine".
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