Base | Representation |
---|---|
bin | 1100111110100010000100… |
… | …00011110011111111101000 |
3 | 10202001002122121101000021220 |
4 | 12133101002003303333220 |
5 | 12220022002434312110 |
6 | 140405354011102040 |
7 | 6003502160233353 |
oct | 637210203637750 |
9 | 122032577330256 |
10 | 28536871010280 |
11 | 9102467804496 |
12 | 324a778441920 |
13 | 12c0027a6ccb9 |
14 | 70929890929a |
15 | 347499893370 |
hex | 19f4420f3fe8 |
28536871010280 has 64 divisors (see below), whose sum is σ = 86694291705600. Its totient is φ = 7513505276160.
The previous prime is 28536871010261. The next prime is 28536871010299. The reversal of 28536871010280 is 8201017863582.
It is an interprime number because it is at equal distance from previous prime (28536871010261) and next prime (28536871010299).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505099751 + ... + 1505118710.
It is an arithmetic number, because the mean of its divisors is an integer number (1354598307900).
Almost surely, 228536871010280 is an apocalyptic number.
28536871010280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28536871010280 is an abundant number, since it is smaller than the sum of its proper divisors (58157420695320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28536871010280 is a wasteful number, since it uses less digits than its factorization.
28536871010280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3010218554 (or 3010218550 counting only the distinct ones).
The product of its (nonzero) digits is 1290240, while the sum is 51.
The spelling of 28536871010280 in words is "twenty-eight trillion, five hundred thirty-six billion, eight hundred seventy-one million, ten thousand, two hundred eighty".
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