Base | Representation |
---|---|
bin | 1001110010000110000… |
… | …0111101011000111010 |
3 | 121001210210212001100011 |
4 | 2130201200331120322 |
5 | 10223144344401410 |
6 | 205113005532134 |
7 | 15066555352210 |
oct | 2344140753072 |
9 | 531723761304 |
10 | 168066012730 |
11 | 65304978990 |
12 | 286a4b7404a |
13 | 12b05383715 |
14 | 81c4c82cb0 |
15 | 4589b7718a |
hex | 272183d63a |
168066012730 has 64 divisors (see below), whose sum is σ = 377692139520. Its totient is φ = 52311182400.
The previous prime is 168066012713. The next prime is 168066012791. The reversal of 168066012730 is 37210660861.
It is a happy 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, 401845 + ... + 705415.
It is an arithmetic number, because the mean of its divisors is an integer number (5901439680).
Almost surely, 2168066012730 is an apocalyptic number.
168066012730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
168066012730 is an abundant number, since it is smaller than the sum of its proper divisors (209626126790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168066012730 is a wasteful number, since it uses less digits than its factorization.
168066012730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304315.
The product of its (nonzero) digits is 72576, while the sum is 40.
The spelling of 168066012730 in words is "one hundred sixty-eight billion, sixty-six million, twelve thousand, seven hundred thirty".
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