Base | Representation |
---|---|
bin | 101111101001001000… |
… | …1110001101010011101 |
3 | 100210002022022100210021 |
4 | 1133102101301222131 |
5 | 3134013400414122 |
6 | 115000155512141 |
7 | 10251250460665 |
oct | 1372221615235 |
9 | 323068270707 |
10 | 102312123037 |
11 | 3a432587393 |
12 | 179b4158651 |
13 | 985683a897 |
14 | 4d481671a5 |
15 | 29dc2031c7 |
hex | 17d2471a9d |
102312123037 has 2 divisors, whose sum is σ = 102312123038. Its totient is φ = 102312123036.
The previous prime is 102312123031. The next prime is 102312123073. The reversal of 102312123037 is 730321213201.
It is a happy number.
Together with next prime (102312123073) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 95364233721 + 6947889316 = 308811^2 + 83354^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102312123037 is a prime.
It is a super-2 number, since 2×1023121230372 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102312123031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51156061518 + 51156061519.
It is an arithmetic number, because the mean of its divisors is an integer number (51156061519).
Almost surely, 2102312123037 is an apocalyptic number.
It is an amenable number.
102312123037 is a deficient number, since it is larger than the sum of its proper divisors (1).
102312123037 is an equidigital number, since it uses as much as digits as its factorization.
102312123037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1512, while the sum is 25.
Adding to 102312123037 its reverse (730321213201), we get a palindrome (832633336238).
The spelling of 102312123037 in words is "one hundred two billion, three hundred twelve million, one hundred twenty-three thousand, thirty-seven".
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