Base | Representation |
---|---|
bin | 1100101111101001000110… |
… | …00110100100010011100010 |
3 | 10200020012001220011202121111 |
4 | 12113310203012210103202 |
5 | 12133131203113434110 |
6 | 135334342232413534 |
7 | 5621520556014211 |
oct | 627644306442342 |
9 | 120205056152544 |
10 | 28025250530530 |
11 | 8a25495342620 |
12 | 31875938472aa |
13 | 1283a012ab406 |
14 | 6cc60225b078 |
15 | 3390039a9e8a |
hex | 197d231a44e2 |
28025250530530 has 64 divisors (see below), whose sum is σ = 55100373140736. Its totient is φ = 10178233632000.
The previous prime is 28025250530471. The next prime is 28025250530549. The reversal of 28025250530530 is 3503505252082.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393627235 + ... + 393698425.
It is an arithmetic number, because the mean of its divisors is an integer number (860943330324).
Almost surely, 228025250530530 is an apocalyptic number.
28025250530530 is a deficient number, since it is larger than the sum of its proper divisors (27075122610206).
28025250530530 is a wasteful number, since it uses less digits than its factorization.
28025250530530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75643.
The product of its (nonzero) digits is 360000, while the sum is 40.
The spelling of 28025250530530 in words is "twenty-eight trillion, twenty-five billion, two hundred fifty million, five hundred thirty thousand, five hundred thirty".
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