Base | Representation |
---|---|
bin | 101111100011011100… |
… | …0101101000100000110 |
3 | 100202120222200100221112 |
4 | 1133012320231010012 |
5 | 3133120434014342 |
6 | 114525211245022 |
7 | 10243440121352 |
oct | 1370670550406 |
9 | 322528610845 |
10 | 102121001222 |
11 | 3a344708779 |
12 | 17960149772 |
13 | 9826071656 |
14 | 4d2aa16462 |
15 | 29ca54e682 |
hex | 17c6e2d106 |
102121001222 has 16 divisors (see below), whose sum is σ = 162840164400. Its totient is φ = 47894162400.
The previous prime is 102121001201. The next prime is 102121001237. The reversal of 102121001222 is 222100121201.
It is a junction number, because it is equal to n+sod(n) for n = 102121001197 and 102121001206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13300097 + ... + 13307772.
It is an arithmetic number, because the mean of its divisors is an integer number (10177510275).
Almost surely, 2102121001222 is an apocalyptic number.
102121001222 is a deficient number, since it is larger than the sum of its proper divisors (60719163178).
102121001222 is a wasteful number, since it uses less digits than its factorization.
102121001222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26607991.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 102121001222 its reverse (222100121201), we get a palindrome (324221122423).
The spelling of 102121001222 in words is "one hundred two billion, one hundred twenty-one million, one thousand, two hundred twenty-two".
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