Base | Representation |
---|---|
bin | 111110110010110110… |
… | …100000011000110000 |
3 | 20110000222022010011100 |
4 | 332302312200120300 |
5 | 2101041314023240 |
6 | 50550310444400 |
7 | 4604600152644 |
oct | 766266403060 |
9 | 213028263140 |
10 | 67425142320 |
11 | 2665a80a418 |
12 | 11098663700 |
13 | 6486b68623 |
14 | 3398a7ac24 |
15 | 1b49549e30 |
hex | fb2da0630 |
67425142320 has 120 divisors (see below), whose sum is σ = 228770732736. Its totient is φ = 17794658304.
The previous prime is 67425142307. The next prime is 67425142327. The reversal of 67425142320 is 2324152476.
67425142320 is a `hidden beast` number, since 67 + 42 + 514 + 23 + 20 = 666.
It is a tau number, because it is divible by the number of its divisors (120).
It is a super-2 number, since 2×674251423202 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (67425142327) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412872 + ... + 552551.
Almost surely, 267425142320 is an apocalyptic number.
67425142320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
67425142320 is an abundant number, since it is smaller than the sum of its proper divisors (161345590416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67425142320 is a wasteful number, since it uses less digits than its factorization.
67425142320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 965539 (or 965530 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
Adding to 67425142320 its reverse (2324152476), we get a palindrome (69749294796).
The spelling of 67425142320 in words is "sixty-seven billion, four hundred twenty-five million, one hundred forty-two thousand, three hundred twenty".
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