Base | Representation |
---|---|
bin | 10111111110100011110010… |
… | …101100011010101101101001 |
3 | 111211101022111011012220211002 |
4 | 113332203302230122231221 |
5 | 102310230003322001132 |
6 | 1012140540534244345 |
7 | 31132544056642634 |
oct | 2776436254325551 |
9 | 454338434186732 |
10 | 105454108781417 |
11 | 30667922251400 |
12 | b9b18677b66b5 |
13 | 46ac383906466 |
14 | 1c08012a3ac1b |
15 | c2d183d41262 |
hex | 5fe8f2b1ab69 |
105454108781417 has 12 divisors (see below), whose sum is σ = 115930225764528. Its totient is φ = 95852601629400.
The previous prime is 105454108781389. The next prime is 105454108781419. The reversal of 105454108781417 is 714187801454501.
It is not a de Polignac number, because 105454108781417 - 212 = 105454108777321 is a prime.
It is a super-2 number, since 2×1054541087814172 (a number of 29 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105454108781419) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66347663 + ... + 67918484.
It is an arithmetic number, because the mean of its divisors is an integer number (9660852147044).
Almost surely, 2105454108781417 is an apocalyptic number.
It is an amenable number.
105454108781417 is a deficient number, since it is larger than the sum of its proper divisors (10476116983111).
105454108781417 is a wasteful number, since it uses less digits than its factorization.
105454108781417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134272660 (or 134272649 counting only the distinct ones).
The product of its (nonzero) digits is 5017600, while the sum is 56.
The spelling of 105454108781417 in words is "one hundred five trillion, four hundred fifty-four billion, one hundred eight million, seven hundred eighty-one thousand, four hundred seventeen".
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