Base | Representation |
---|---|
bin | 111101100110010111… |
… | …001101010011001100 |
3 | 20022201112121002110111 |
4 | 331212113031103030 |
5 | 2040424304304020 |
6 | 50215105445404 |
7 | 4531025420035 |
oct | 754627152314 |
9 | 208645532414 |
10 | 66141869260 |
11 | 260613a7375 |
12 | 1099a940864 |
13 | 631103905c |
14 | 32b6471a8c |
15 | 1ac1a60d5a |
hex | f665cd4cc |
66141869260 has 48 divisors (see below), whose sum is σ = 140261536800. Its totient is φ = 26197323264.
The previous prime is 66141869251. The next prime is 66141869303. The reversal of 66141869260 is 6296814166.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3747336 + ... + 3764944.
It is an arithmetic number, because the mean of its divisors is an integer number (2922115350).
Almost surely, 266141869260 is an apocalyptic number.
It is an amenable number.
66141869260 is an abundant number, since it is smaller than the sum of its proper divisors (74119667540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66141869260 is a wasteful number, since it uses less digits than its factorization.
66141869260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19450 (or 19448 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 49.
The spelling of 66141869260 in words is "sixty-six billion, one hundred forty-one million, eight hundred sixty-nine thousand, two hundred sixty".
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