Base | Representation |
---|---|
bin | 11110110011001000110010… |
… | …00111100100010111111100 |
3 | 22212210201012002111211020102 |
4 | 33121210121013210113330 |
5 | 32334122423220030040 |
6 | 400013412001340232 |
7 | 20160112022221343 |
oct | 1731443107442774 |
9 | 285721162454212 |
10 | 67727760705020 |
11 | 1a642200293669 |
12 | 771a116037678 |
13 | 2ba3914ac9810 |
14 | 12a2080b32b5a |
15 | 7c6b4b5a3515 |
hex | 3d99191e45fc |
67727760705020 has 48 divisors (see below), whose sum is σ = 154144534158048. Its totient is φ = 24847891810560.
The previous prime is 67727760705013. The next prime is 67727760705029. The reversal of 67727760705020 is 2050706772776.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67727760705029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829549586 + ... + 829631225.
It is an arithmetic number, because the mean of its divisors is an integer number (3211344461626).
Almost surely, 267727760705020 is an apocalyptic number.
It is an amenable number.
67727760705020 is an abundant number, since it is smaller than the sum of its proper divisors (86416773453028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67727760705020 is a wasteful number, since it uses less digits than its factorization.
67727760705020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1659180990 (or 1659180988 counting only the distinct ones).
The product of its (nonzero) digits is 12101040, while the sum is 56.
The spelling of 67727760705020 in words is "sixty-seven trillion, seven hundred twenty-seven billion, seven hundred sixty million, seven hundred five thousand, twenty".
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