Base | Representation |
---|---|
bin | 111111001111001100… |
… | …101011011011100011 |
3 | 20111021010011210122220 |
4 | 333033030223123203 |
5 | 2103030040414041 |
6 | 51105420002123 |
7 | 4622433366246 |
oct | 771714533343 |
9 | 214233153586 |
10 | 67900716771 |
11 | 26884203558 |
12 | 111ab990343 |
13 | 653154ab24 |
14 | 3401cb525d |
15 | 1b7618ad66 |
hex | fcf32b6e3 |
67900716771 has 24 divisors (see below), whose sum is σ = 95102542080. Its totient is φ = 43011262800.
The previous prime is 67900716761. The next prime is 67900716809. The reversal of 67900716771 is 17761700976.
It is not a de Polignac number, because 67900716771 - 229 = 67363845859 is a prime.
It is a super-2 number, since 2×679007167712 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (67900716721) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1551690 + ... + 1594848.
It is an arithmetic number, because the mean of its divisors is an integer number (3962605920).
Almost surely, 267900716771 is an apocalyptic number.
67900716771 is a deficient number, since it is larger than the sum of its proper divisors (27201825309).
67900716771 is a wasteful number, since it uses less digits than its factorization.
67900716771 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43487 (or 43336 counting only the distinct ones).
The product of its (nonzero) digits is 777924, while the sum is 51.
The spelling of 67900716771 in words is "sixty-seven billion, nine hundred million, seven hundred sixteen thousand, seven hundred seventy-one".
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