Base | Representation |
---|---|
bin | 101111100010110100… |
… | …1011110010000110110 |
3 | 100202112112121010212021 |
4 | 1133011221132100312 |
5 | 3133100124344342 |
6 | 114523150143354 |
7 | 10243065434413 |
oct | 1370551362066 |
9 | 322475533767 |
10 | 102100231222 |
11 | 3a333a11990 |
12 | 179551b1b5a |
13 | 982197b902 |
14 | 4d27d6b10a |
15 | 29c87ea567 |
hex | 17c5a5e436 |
102100231222 has 16 divisors (see below), whose sum is σ = 171148060944. Its totient is φ = 45277264000.
The previous prime is 102100231217. The next prime is 102100231237. The reversal of 102100231222 is 222132001201.
It is a happy number.
It is a super-2 number, since 2×1021002312222 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102100231196 and 102100231205.
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, 56595679 + ... + 56597482.
It is an arithmetic number, because the mean of its divisors is an integer number (10696753809).
Almost surely, 2102100231222 is an apocalyptic number.
102100231222 is a deficient number, since it is larger than the sum of its proper divisors (69047829722).
102100231222 is a wasteful number, since it uses less digits than its factorization.
102100231222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113193215.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 102100231222 its reverse (222132001201), we get a palindrome (324232232423).
The spelling of 102100231222 in words is "one hundred two billion, one hundred million, two hundred thirty-one thousand, two hundred twenty-two".
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