Base | Representation |
---|---|
bin | 111111001101010101… |
… | …110101001001011010 |
3 | 20111011221112221120112 |
4 | 333031111311021122 |
5 | 2102444101431214 |
6 | 51102344124322 |
7 | 4621604516333 |
oct | 771525651132 |
9 | 214157487515 |
10 | 67869561434 |
11 | 26868664044 |
12 | 111a14666a2 |
13 | 6527c6000c |
14 | 33dbac528a |
15 | 1b73584a3e |
hex | fcd57525a |
67869561434 has 16 divisors (see below), whose sum is σ = 104031475200. Its totient is φ = 33193251504.
The previous prime is 67869561433. The next prime is 67869561449. The reversal of 67869561434 is 43416596876.
It is not an unprimeable number, because it can be changed into a prime (67869561433) 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, 50594 + ... + 371885.
It is an arithmetic number, because the mean of its divisors is an integer number (6501967200).
Almost surely, 267869561434 is an apocalyptic number.
67869561434 is a deficient number, since it is larger than the sum of its proper divisors (36161913766).
67869561434 is a wasteful number, since it uses less digits than its factorization.
67869561434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424237.
The product of its digits is 26127360, while the sum is 59.
The spelling of 67869561434 in words is "sixty-seven billion, eight hundred sixty-nine million, five hundred sixty-one thousand, four hundred thirty-four".
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