Base | Representation |
---|---|
bin | 111101011011100… |
… | …110001001011000 |
3 | 2122211100011012120 |
4 | 331123212021120 |
5 | 4102321104222 |
6 | 250134141240 |
7 | 34353221625 |
oct | 7533461130 |
9 | 2584304176 |
10 | 1030644312 |
11 | 489854365 |
12 | 2491b1820 |
13 | 1356a9509 |
14 | 9ac4734c |
15 | 6073615c |
hex | 3d6e6258 |
1030644312 has 32 divisors (see below), whose sum is σ = 2728177200. Its totient is φ = 323339264.
The previous prime is 1030644281. The next prime is 1030644313. The reversal of 1030644312 is 2134460301.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030644313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262637 + ... + 1263452.
Almost surely, 21030644312 is an apocalyptic number.
1030644312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1030644312 is an abundant number, since it is smaller than the sum of its proper divisors (1697532888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030644312 is a wasteful number, since it uses less digits than its factorization.
1030644312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2526115 (or 2526111 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 1030644312 is about 32103.6495121661. The cubic root of 1030644312 is about 1010.1121700078.
The spelling of 1030644312 in words is "one billion, thirty million, six hundred forty-four thousand, three hundred twelve".
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