Base | Representation |
---|---|
bin | 11011111111011000101101… |
… | …001101101110110100000101 |
3 | 121010212112122110222121120012 |
4 | 123333120231031232310011 |
5 | 112113410132432243133 |
6 | 1113452442155320005 |
7 | 34633622566243442 |
oct | 3377305515566405 |
9 | 533775573877505 |
10 | 123103111212293 |
11 | 36251810a95913 |
12 | 1198225aa50005 |
13 | 538c75c1bb914 |
14 | 225831829c9c9 |
15 | e372db2e4b48 |
hex | 6ff62d36ed05 |
123103111212293 has 2 divisors, whose sum is σ = 123103111212294. Its totient is φ = 123103111212292.
The previous prime is 123103111212239. The next prime is 123103111212383. The reversal of 123103111212293 is 392212111301321.
It is a happy number.
Together with previous prime (123103111212239) 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., 117545884892164 + 5557226320129 = 10841858^2 + 2357377^2 .
It is a cyclic number.
It is not a de Polignac number, because 123103111212293 - 26 = 123103111212229 is a prime.
It is a super-2 number, since 2×1231031112122932 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (123103111217293) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551555606146 + 61551555606147.
It is an arithmetic number, because the mean of its divisors is an integer number (61551555606147).
Almost surely, 2123103111212293 is an apocalyptic number.
It is an amenable number.
123103111212293 is a deficient number, since it is larger than the sum of its proper divisors (1).
123103111212293 is an equidigital number, since it uses as much as digits as its factorization.
123103111212293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 32.
The spelling of 123103111212293 in words is "one hundred twenty-three trillion, one hundred three billion, one hundred eleven million, two hundred twelve thousand, two hundred ninety-three".
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