Base | Representation |
---|---|
bin | 111110000100110101… |
… | …010001001011101010 |
3 | 20101001011111120111200 |
4 | 332010311101023222 |
5 | 2043001141102322 |
6 | 50341530305030 |
7 | 4546503466320 |
oct | 760465211352 |
9 | 211034446450 |
10 | 66653065962 |
11 | 262a3a10a8a |
12 | 10b01b88176 |
13 | 6392c11602 |
14 | 33242ddd10 |
15 | 1b0188b8ac |
hex | f84d512ea |
66653065962 has 192 divisors, whose sum is σ = 182066227200. Its totient is φ = 17184337920.
The previous prime is 66653065951. The next prime is 66653065991. The reversal of 66653065962 is 26956035666.
66653065962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 66653065899 and 66653065908.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7233214 + ... + 7242422.
It is an arithmetic number, because the mean of its divisors is an integer number (948261600).
Almost surely, 266653065962 is an apocalyptic number.
66653065962 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 66653065962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91033113600).
66653065962 is an abundant number, since it is smaller than the sum of its proper divisors (115413161238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
66653065962 is a wasteful number, since it uses less digits than its factorization.
66653065962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9381 (or 9378 counting only the distinct ones).
The product of its (nonzero) digits is 10497600, while the sum is 54.
The spelling of 66653065962 in words is "sixty-six billion, six hundred fifty-three million, sixty-five thousand, nine hundred sixty-two".
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