Base | Representation |
---|---|
bin | 101111100011011110… |
… | …1011001010110111111 |
3 | 100202121001222212012102 |
4 | 1133012331121112333 |
5 | 3133121242344411 |
6 | 114525253455315 |
7 | 10243453433366 |
oct | 1370675312677 |
9 | 322531885172 |
10 | 102122231231 |
11 | 3a345378909 |
12 | 1796064153b |
13 | 98263b2477 |
14 | 4d2ac567dd |
15 | 29ca6e3d3b |
hex | 17c6f595bf |
102122231231 has 2 divisors, whose sum is σ = 102122231232. Its totient is φ = 102122231230.
The previous prime is 102122231201. The next prime is 102122231291. The reversal of 102122231231 is 132132221201.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102122231231 is a prime.
It is a super-2 number, since 2×1021222312312 (a number of 23 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102122231201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061115615 + 51061115616.
It is an arithmetic number, because the mean of its divisors is an integer number (51061115616).
Almost surely, 2102122231231 is an apocalyptic number.
102122231231 is a deficient number, since it is larger than the sum of its proper divisors (1).
102122231231 is an equidigital number, since it uses as much as digits as its factorization.
102122231231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 102122231231 its reverse (132132221201), we get a palindrome (234254452432).
The spelling of 102122231231 in words is "one hundred two billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty-one".
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