Base | Representation |
---|---|
bin | 11010011000101011… |
… | …010101100111111111 |
3 | 2201010110100020012100 |
4 | 122120223111213333 |
5 | 431010303121000 |
6 | 21003142040143 |
7 | 2022035042166 |
oct | 323053254777 |
9 | 81113306170 |
10 | 28331301375 |
11 | 11019310063 |
12 | 55a8119053 |
13 | 2896757c70 |
14 | 152a9903dd |
15 | b0c3a9a00 |
hex | 698ad59ff |
28331301375 has 96 divisors (see below), whose sum is σ = 57895830720. Its totient is φ = 13213497600.
The previous prime is 28331301371. The next prime is 28331301379. The reversal of 28331301375 is 57310313382.
28331301375 is a `hidden beast` number, since 283 + 3 + 1 + 3 + 0 + 1 + 375 = 666.
It is an interprime number because it is at equal distance from previous prime (28331301371) and next prime (28331301379).
It is not a de Polignac number, because 28331301375 - 22 = 28331301371 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28331301371) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 226897 + ... + 328853.
It is an arithmetic number, because the mean of its divisors is an integer number (603081570).
Almost surely, 228331301375 is an apocalyptic number.
28331301375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28331301375 is an abundant number, since it is smaller than the sum of its proper divisors (29564529345).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28331301375 is a wasteful number, since it uses less digits than its factorization.
28331301375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102010 (or 101997 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 36.
The spelling of 28331301375 in words is "twenty-eight billion, three hundred thirty-one million, three hundred one thousand, three hundred seventy-five".
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