Base | Representation |
---|---|
bin | 11110101001000110011100… |
… | …01000111010001110111100 |
3 | 22211120202001112101021200122 |
4 | 33110203032020322032330 |
5 | 32313000142234204240 |
6 | 355151140203114112 |
7 | 20123153132306660 |
oct | 1724431610721674 |
9 | 284522045337618 |
10 | 67382905381820 |
11 | 1a519a25468126 |
12 | 7683312812938 |
13 | 2b7a247043a62 |
14 | 128d4c86628a0 |
15 | 7bcbb60334b5 |
hex | 3d48ce23a3bc |
67382905381820 has 96 divisors (see below), whose sum is σ = 168753337804800. Its totient is φ = 22097838115584.
The previous prime is 67382905381819. The next prime is 67382905381837. The reversal of 67382905381820 is 2818350928376.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210682586 + ... + 211002174.
It is an arithmetic number, because the mean of its divisors is an integer number (1757847268800).
Almost surely, 267382905381820 is an apocalyptic number.
It is an amenable number.
67382905381820 is an abundant number, since it is smaller than the sum of its proper divisors (101370432422980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67382905381820 is a wasteful number, since it uses less digits than its factorization.
67382905381820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385107 (or 385105 counting only the distinct ones).
The product of its (nonzero) digits is 34836480, while the sum is 62.
The spelling of 67382905381820 in words is "sixty-seven trillion, three hundred eighty-two billion, nine hundred five million, three hundred eighty-one thousand, eight hundred twenty".
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