Base | Representation |
---|---|
bin | 1011111101011011100111… |
… | …0111001110000100001110 |
3 | 1201120010111000201022102120 |
4 | 2333112321313032010032 |
5 | 3210422211331403200 |
6 | 43545011015033410 |
7 | 2525025404355240 |
oct | 277267167160416 |
9 | 51503430638376 |
10 | 13150013153550 |
11 | 420a986672349 |
12 | 158468896b866 |
13 | 74506bb91930 |
14 | 33666d43c090 |
15 | 17c0de4b39a0 |
hex | bf5b9dce10e |
13150013153550 has 384 divisors, whose sum is σ = 42440056995840. Its totient is φ = 2616683097600.
The previous prime is 13150013153539. The next prime is 13150013153573. The reversal of 13150013153550 is 5535131005131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 57721365 + ... + 57948735.
It is an arithmetic number, because the mean of its divisors is an integer number (110520981760).
Almost surely, 213150013153550 is an apocalyptic number.
13150013153550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13150013153550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21220028497920).
13150013153550 is an abundant number, since it is smaller than the sum of its proper divisors (29290043842290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13150013153550 is a wasteful number, since it uses less digits than its factorization.
13150013153550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227648 (or 227643 counting only the distinct ones).
The product of its (nonzero) digits is 16875, while the sum is 33.
Adding to 13150013153550 its reverse (5535131005131), we get a palindrome (18685144158681).
The spelling of 13150013153550 in words is "thirteen trillion, one hundred fifty billion, thirteen million, one hundred fifty-three thousand, five hundred fifty".
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