Base | Representation |
---|---|
bin | 111111001111101110… |
… | …101110011101010110 |
3 | 20111021201222020212112 |
4 | 333033232232131112 |
5 | 2103034332021240 |
6 | 51110335151022 |
7 | 4622602301444 |
oct | 771756563526 |
9 | 214251866775 |
10 | 67909642070 |
11 | 2688924a236 |
12 | 111b2975472 |
13 | 653335447a |
14 | 3403159b94 |
15 | 1b76d50665 |
hex | fcfbae756 |
67909642070 has 16 divisors (see below), whose sum is σ = 122254630560. Its totient is φ = 27160017984.
The previous prime is 67909641907. The next prime is 67909642103. The reversal of 67909642070 is 7024690976.
It is a super-2 number, since 2×679096420702 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
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, 405002 + ... + 547581.
It is an arithmetic number, because the mean of its divisors is an integer number (7640914410).
Almost surely, 267909642070 is an apocalyptic number.
67909642070 is a deficient number, since it is larger than the sum of its proper divisors (54344988490).
67909642070 is a wasteful number, since it uses less digits than its factorization.
67909642070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 959719.
The product of its (nonzero) digits is 1143072, while the sum is 50.
The spelling of 67909642070 in words is "sixty-seven billion, nine hundred nine million, six hundred forty-two thousand, seventy".
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