Base | Representation |
---|---|
bin | 10111001111100010110010… |
… | …110001101011011010011001 |
3 | 111101221110000000212200222011 |
4 | 113033202302301223122121 |
5 | 101344311124034341441 |
6 | 1001224411024425521 |
7 | 30350245466014156 |
oct | 2717426261533231 |
9 | 441843000780864 |
10 | 102223221012121 |
11 | 2a631696342270 |
12 | b56b665a782a1 |
13 | 45067ba7bb931 |
14 | 1b358b776322d |
15 | bc40d963b581 |
hex | 5cf8b2c6b699 |
102223221012121 has 8 divisors (see below), whose sum is σ = 111797138441664. Its totient is φ = 92696119805520.
The previous prime is 102223221012119. The next prime is 102223221012169. The reversal of 102223221012121 is 121210122322201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102223221012121 - 21 = 102223221012119 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102223221012092 and 102223221012101.
It is not an unprimeable number, because it can be changed into a prime (102223221012721) 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, 11704051165 + ... + 11704059898.
It is an arithmetic number, because the mean of its divisors is an integer number (13974642305208).
Almost surely, 2102223221012121 is an apocalyptic number.
102223221012121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
102223221012121 is a deficient number, since it is larger than the sum of its proper divisors (9573917429543).
102223221012121 is a wasteful number, since it uses less digits than its factorization.
102223221012121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23408111471.
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 102223221012121 its reverse (121210122322201), we get a palindrome (223433343334322).
The spelling of 102223221012121 in words is "one hundred two trillion, two hundred twenty-three billion, two hundred twenty-one million, twelve thousand, one hundred twenty-one".
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