Base | Representation |
---|---|
bin | 1101001011000011010000… |
… | …11010010100011100111001 |
3 | 10210120012220210222100102011 |
4 | 12211201220122110130321 |
5 | 12244043414330033301 |
6 | 141335132231405521 |
7 | 6046540353265402 |
oct | 645415032243471 |
9 | 123505823870364 |
10 | 28967011174201 |
11 | 9258927704071 |
12 | 32ba0015238a1 |
13 | 132176780a259 |
14 | 7220219a09a9 |
15 | 353772350a51 |
hex | 1a5868694739 |
28967011174201 has 3 divisors (see below), whose sum is σ = 28967016556303. Its totient is φ = 28967005792100.
The previous prime is 28967011174147. The next prime is 28967011174229. The reversal of 28967011174201 is 10247111076982.
The square root of 28967011174201 is 5382101.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 831837026601 + 28135174147600 = 912051^2 + 5304260^2 .
It is not a de Polignac number, because 28967011174201 - 29 = 28967011173689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28967011174261) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2691051 + ... + 8073151.
Almost surely, 228967011174201 is an apocalyptic number.
28967011174201 is the 5382101-st square number.
28967011174201 is the 2691051-st centered octagonal number.
It is an amenable number.
28967011174201 is a deficient number, since it is larger than the sum of its proper divisors (5382102).
28967011174201 is an frugal number, since it uses more digits than its factorization.
28967011174201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10764202 (or 5382101 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 49.
The spelling of 28967011174201 in words is "twenty-eight trillion, nine hundred sixty-seven billion, eleven million, one hundred seventy-four thousand, two hundred one".
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