Base | Representation |
---|---|
bin | 111110011001100010… |
… | …100000110100101111 |
3 | 20101221101012120101200 |
4 | 332121202200310233 |
5 | 2044204110031311 |
6 | 50440220340543 |
7 | 4561222414440 |
oct | 763142406457 |
9 | 211841176350 |
10 | 67000470831 |
11 | 26462023448 |
12 | 10b9a3a4753 |
13 | 6419b99518 |
14 | 33584d32c7 |
15 | 1b22111556 |
hex | f998a0d2f |
67000470831 has 48 divisors (see below), whose sum is σ = 113957513280. Its totient is φ = 37141378560.
The previous prime is 67000470829. The next prime is 67000470847. The reversal of 67000470831 is 13807400076.
It is not a de Polignac number, because 67000470831 - 21 = 67000470829 is a prime.
It is a super-2 number, since 2×670004708312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67000470821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184441 + ... + 409901.
It is an arithmetic number, because the mean of its divisors is an integer number (2374114860).
Almost surely, 267000470831 is an apocalyptic number.
67000470831 is a deficient number, since it is larger than the sum of its proper divisors (46957042449).
67000470831 is a wasteful number, since it uses less digits than its factorization.
67000470831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225616 (or 225613 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The spelling of 67000470831 in words is "sixty-seven billion, four hundred seventy thousand, eight hundred thirty-one".
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