Base | Representation |
---|---|
bin | 101111100011011110… |
… | …1011001010110111110 |
3 | 100202121001222212012101 |
4 | 1133012331121112332 |
5 | 3133121242344410 |
6 | 114525253455314 |
7 | 10243453433365 |
oct | 1370675312676 |
9 | 322531885171 |
10 | 102122231230 |
11 | 3a345378908 |
12 | 1796064153a |
13 | 98263b2476 |
14 | 4d2ac567dc |
15 | 29ca6e3d3a |
hex | 17c6f595be |
102122231230 has 64 divisors (see below), whose sum is σ = 196675776000. Its totient is φ = 38085860736.
The previous prime is 102122231201. The next prime is 102122231231. The reversal of 102122231230 is 32132221201.
It is a super-2 number, since 2×1021222312302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102122231198 and 102122231207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102122231231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4924764 + ... + 4945456.
It is an arithmetic number, because the mean of its divisors is an integer number (3073059000).
Almost surely, 2102122231230 is an apocalyptic number.
102122231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102122231230 is a deficient number, since it is larger than the sum of its proper divisors (94553544770).
102122231230 is a wasteful number, since it uses less digits than its factorization.
102122231230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21265.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 102122231230 its reverse (32132221201), we get a palindrome (134254452431).
The spelling of 102122231230 in words is "one hundred two billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty".
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