Base | Representation |
---|---|
bin | 11100101101100101010… |
… | …001011011100011001001 |
3 | 20222121212222011022010100 |
4 | 130231211101123203021 |
5 | 224311341244310334 |
6 | 4110231414040013 |
7 | 262356662156142 |
oct | 34554521334311 |
9 | 6877788138110 |
10 | 1973089056969 |
11 | 6a0867374aa8 |
12 | 27a493649009 |
13 | 1140a5165444 |
14 | 6b6d87d0ac9 |
15 | 364d0689c99 |
hex | 1cb6545b8c9 |
1973089056969 has 6 divisors (see below), whose sum is σ = 2850017526746. Its totient is φ = 1315392704640.
The previous prime is 1973089056931. The next prime is 1973089057087. The reversal of 1973089056969 is 9696509803791.
It can be written as a sum of positive squares in only one way, i.e., 1617678734400 + 355410322569 = 1271880^2 + 596163^2 .
It is not a de Polignac number, because 1973089056969 - 28 = 1973089056713 is a prime.
It is a super-2 number, since 2×19730890569692 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1973089056897 and 1973089056906.
It is not an unprimeable number, because it can be changed into a prime (1973089056919) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109616058712 + ... + 109616058729.
Almost surely, 21973089056969 is an apocalyptic number.
It is an amenable number.
1973089056969 is a deficient number, since it is larger than the sum of its proper divisors (876928469777).
1973089056969 is a wasteful number, since it uses less digits than its factorization.
1973089056969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219232117447 (or 219232117444 counting only the distinct ones).
The product of its (nonzero) digits is 198404640, while the sum is 72.
The spelling of 1973089056969 in words is "one trillion, nine hundred seventy-three billion, eighty-nine million, fifty-six thousand, nine hundred sixty-nine".
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