Base | Representation |
---|---|
bin | 101111111101110010… |
… | …1011001000111100100 |
3 | 100211212121022211022121 |
4 | 1133323211121013210 |
5 | 3141423303144421 |
6 | 115153033235324 |
7 | 10304364112030 |
oct | 1377345310744 |
9 | 324777284277 |
10 | 103005131236 |
11 | 3a758790737 |
12 | 17b68262b44 |
13 | 993729c6c7 |
14 | 4db22011c0 |
15 | 2a2ce93d41 |
hex | 17fb9591e4 |
103005131236 has 24 divisors (see below), whose sum is σ = 207900271040. Its totient is φ = 43740054432.
The previous prime is 103005131161. The next prime is 103005131261. The reversal of 103005131236 is 632131500301.
It is a super-2 number, since 2×1030051312362 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 103005131236.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16871970 + ... + 16878073.
Almost surely, 2103005131236 is an apocalyptic number.
It is an amenable number.
103005131236 is an abundant number, since it is smaller than the sum of its proper divisors (104895139804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103005131236 is a wasteful number, since it uses less digits than its factorization.
103005131236 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33750163 (or 33750161 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 25.
Adding to 103005131236 its reverse (632131500301), we get a palindrome (735136631537).
The spelling of 103005131236 in words is "one hundred three billion, five million, one hundred thirty-one thousand, two hundred thirty-six".
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