Base | Representation |
---|---|
bin | 11010100000110000… |
… | …101010100010001110 |
3 | 2201110220112010202121 |
4 | 122200300222202032 |
5 | 431300012243340 |
6 | 21024424443154 |
7 | 2025302534440 |
oct | 324060524216 |
9 | 81426463677 |
10 | 28466915470 |
11 | 11088916a24 |
12 | 56256194ba |
13 | 28b888aba6 |
14 | 15409b2490 |
15 | b1924694a |
hex | 6a0c2a88e |
28466915470 has 32 divisors (see below), whose sum is σ = 59922390528. Its totient is φ = 9533105568.
The previous prime is 28466915459. The next prime is 28466915479. The reversal of 28466915470 is 7451966482.
It is a super-2 number, since 2×284669154702 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28466915479) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4725714 + ... + 4731733.
It is an arithmetic number, because the mean of its divisors is an integer number (1872574704).
Almost surely, 228466915470 is an apocalyptic number.
28466915470 is an abundant number, since it is smaller than the sum of its proper divisors (31455475058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28466915470 is a wasteful number, since it uses less digits than its factorization.
28466915470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9457504.
The product of its (nonzero) digits is 2903040, while the sum is 52.
The spelling of 28466915470 in words is "twenty-eight billion, four hundred sixty-six million, nine hundred fifteen thousand, four hundred seventy".
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