Base | Representation |
---|---|
bin | 11110100101001011011111… |
… | …11100101011111011000001 |
3 | 22211002212022100221100000001 |
4 | 33102211233330223323001 |
5 | 32303243233332223433 |
6 | 355005215443000001 |
7 | 20110343422141300 |
oct | 1722455774537301 |
9 | 284085270840001 |
10 | 67248181132993 |
11 | 1a477880102a23 |
12 | 7661193969001 |
13 | 2b6a62649b123 |
14 | 1286b87996437 |
15 | 7b942d58757d |
hex | 3d296ff2bec1 |
67248181132993 has 24 divisors (see below), whose sum is σ = 78293991941088. Its totient is φ = 57592307114496.
The previous prime is 67248181132987. The next prime is 67248181133009. The reversal of 67248181132993 is 39923118184276.
It is a de Polignac number, because none of the positive numbers 2k-67248181132993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (67248181133993) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277668730 + ... + 277910812.
It is an arithmetic number, because the mean of its divisors is an integer number (3262249664212).
Almost surely, 267248181132993 is an apocalyptic number.
It is an amenable number.
67248181132993 is a deficient number, since it is larger than the sum of its proper divisors (11045810808095).
67248181132993 is a wasteful number, since it uses less digits than its factorization.
67248181132993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246893 (or 246886 counting only the distinct ones).
The product of its digits is 31352832, while the sum is 64.
The spelling of 67248181132993 in words is "sixty-seven trillion, two hundred forty-eight billion, one hundred eighty-one million, one hundred thirty-two thousand, nine hundred ninety-three".
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