Base | Representation |
---|---|
bin | 110110100101001… |
… | …0000110111011010 |
3 | 11201122010010012100 |
4 | 1231022100313122 |
5 | 12222320011231 |
6 | 501421224230 |
7 | 63245463126 |
oct | 15512206732 |
9 | 4648103170 |
10 | 1831407066 |
11 | 85a866265 |
12 | 431402076 |
13 | 232568628 |
14 | 135330586 |
15 | aabae1e6 |
hex | 6d290dda |
1831407066 has 48 divisors (see below), whose sum is σ = 4072438656. Its totient is φ = 594494208.
The previous prime is 1831407047. The next prime is 1831407073. The reversal of 1831407066 is 6607041381.
It is a self number, because there is not a number n which added to its sum of digits gives 1831407066.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269871 + ... + 276573.
It is an arithmetic number, because the mean of its divisors is an integer number (84842472).
Almost surely, 21831407066 is an apocalyptic number.
1831407066 is an abundant number, since it is smaller than the sum of its proper divisors (2241031590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1831407066 is a wasteful number, since it uses less digits than its factorization.
1831407066 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7107 (or 7104 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 1831407066 is about 42794.9420609492. The cubic root of 1831407066 is about 1223.4746119177.
The spelling of 1831407066 in words is "one billion, eight hundred thirty-one million, four hundred seven thousand, sixty-six".
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