Base | Representation |
---|---|
bin | 11001111010101101… |
… | …101001011000101000 |
3 | 2122211102101211222222 |
4 | 121322231221120220 |
5 | 423443104340440 |
6 | 20441223133212 |
7 | 2003422053542 |
oct | 317255513050 |
9 | 78742354888 |
10 | 27828590120 |
11 | 10890571711 |
12 | 54878a4208 |
13 | 2816563a96 |
14 | 14bdcd0692 |
15 | acd1a82b5 |
hex | 67ab69628 |
27828590120 has 16 divisors (see below), whose sum is σ = 62614327860. Its totient is φ = 11131436032.
The previous prime is 27828590093. The next prime is 27828590191. The reversal of 27828590120 is 2109582872.
It can be written as a sum of positive squares in 2 ways, for example, as 23438997604 + 4389592516 = 153098^2 + 66254^2 .
It is a super-2 number, since 2×278285901202 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347857337 + ... + 347857416.
Almost surely, 227828590120 is an apocalyptic number.
27828590120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27828590120 is an abundant number, since it is smaller than the sum of its proper divisors (34785737740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27828590120 is a wasteful number, since it uses less digits than its factorization.
27828590120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 695714764 (or 695714760 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 44.
The spelling of 27828590120 in words is "twenty-seven billion, eight hundred twenty-eight million, five hundred ninety thousand, one hundred twenty".
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