Base | Representation |
---|---|
bin | 111110111111011000… |
… | …100000011100000100 |
3 | 20110120121220101210220 |
4 | 332333120200130010 |
5 | 2102004124211040 |
6 | 51023220544340 |
7 | 4613032155453 |
oct | 767730403404 |
9 | 213517811726 |
10 | 67635382020 |
11 | 26758456638 |
12 | 11136b520b0 |
13 | 64bb59960b |
14 | 33b8966b9a |
15 | 1b5cc282d0 |
hex | fbf620704 |
67635382020 has 24 divisors (see below), whose sum is σ = 189379069824. Its totient is φ = 18036101856.
The previous prime is 67635381997. The next prime is 67635382033. The reversal of 67635382020 is 2028353676.
It is a happy number.
67635382020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563628124 + ... + 563628243.
It is an arithmetic number, because the mean of its divisors is an integer number (7890794576).
Almost surely, 267635382020 is an apocalyptic number.
67635382020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
67635382020 is an abundant number, since it is smaller than the sum of its proper divisors (121743687804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67635382020 is a wasteful number, since it uses less digits than its factorization.
67635382020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1127256379 (or 1127256377 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 42.
The spelling of 67635382020 in words is "sixty-seven billion, six hundred thirty-five million, three hundred eighty-two thousand, twenty".
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