Base | Representation |
---|---|
bin | 1000001000010011000100… |
… | …0001110010111000010001 |
3 | 1011122112012212000100220101 |
4 | 2002010301001302320101 |
5 | 2132422323232401410 |
6 | 31002205304212401 |
7 | 1611540032046316 |
oct | 202046101627021 |
9 | 34575185010811 |
10 | 8938649497105 |
11 | 293695067a279 |
12 | 100445376a101 |
13 | 4cabac6c4583 |
14 | 22c8c0b26d0d |
15 | 1077ac60ed3a |
hex | 82131072e11 |
8938649497105 has 8 divisors (see below), whose sum is σ = 10873316101032. Its totient is φ = 7052961794688.
The previous prime is 8938649497103. The next prime is 8938649497117. The reversal of 8938649497105 is 5017949468398.
It can be written as a sum of positive squares in 4 ways, for example, as 2660738405329 + 6277911091776 = 1631177^2 + 2505576^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8938649497105 - 21 = 8938649497103 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (73).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8938649497103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12244724974 + ... + 12244725703.
It is an arithmetic number, because the mean of its divisors is an integer number (1359164512629).
Almost surely, 28938649497105 is an apocalyptic number.
It is an amenable number.
8938649497105 is a deficient number, since it is larger than the sum of its proper divisors (1934666603927).
8938649497105 is a wasteful number, since it uses less digits than its factorization.
8938649497105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24489450755.
The product of its (nonzero) digits is 470292480, while the sum is 73.
The spelling of 8938649497105 in words is "eight trillion, nine hundred thirty-eight billion, six hundred forty-nine million, four hundred ninety-seven thousand, one hundred five".
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