Base | Representation |
---|---|
bin | 1100111111100101010111… |
… | …00010000100010011100100 |
3 | 10202011112220111222110021221 |
4 | 12133302223202010103210 |
5 | 12221120001033144320 |
6 | 140434131034550124 |
7 | 6006221404101106 |
oct | 637625342042344 |
9 | 122145814873257 |
10 | 28573000287460 |
11 | 9116817847152 |
12 | 325577bb98344 |
13 | 12c3564c25615 |
14 | 70ad24db5576 |
15 | 3483b163e3aa |
hex | 19fcab8844e4 |
28573000287460 has 24 divisors (see below), whose sum is σ = 60052604928120. Its totient is φ = 11419808815104.
The previous prime is 28573000287451. The next prime is 28573000287473. The reversal of 28573000287460 is 6478200037582.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 4289314376356 + 24283685911104 = 2071066^2 + 4927848^2 .
It is a junction number, because it is equal to n+sod(n) for n = 28573000287398 and 28573000287407.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586931295 + ... + 586979974.
It is an arithmetic number, because the mean of its divisors is an integer number (2502191872005).
Almost surely, 228573000287460 is an apocalyptic number.
28573000287460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28573000287460 is an abundant number, since it is smaller than the sum of its proper divisors (31479604640660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28573000287460 is a wasteful number, since it uses less digits than its factorization.
28573000287460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1173912495 (or 1173912493 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 52.
The spelling of 28573000287460 in words is "twenty-eight trillion, five hundred seventy-three billion, two hundred eighty-seven thousand, four hundred sixty".
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