Base | Representation |
---|---|
bin | 1100110010101000010111… |
… | …11001111100000000000000 |
3 | 10200121000010112120200222122 |
4 | 12121110023321330000000 |
5 | 12141322010240340343 |
6 | 135453444132223412 |
7 | 5632114405604654 |
oct | 631241371740000 |
9 | 120530115520878 |
10 | 28127940558848 |
11 | 8a64aa1173819 |
12 | 31a347246ab68 |
13 | 12905b81c2890 |
14 | 6d3584676a64 |
15 | 33ba13e5a068 |
hex | 19950be7c000 |
28127940558848 has 120 divisors (see below), whose sum is σ = 60650576708400. Its totient is φ = 12967304232960.
The previous prime is 28127940558829. The next prime is 28127940558899. The reversal of 28127940558848 is 84885504972182.
28127940558848 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
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, 187571003 + ... + 187720901.
It is an arithmetic number, because the mean of its divisors is an integer number (505421472570).
Almost surely, 228127940558848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28127940558848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30325288354200).
28127940558848 is an abundant number, since it is smaller than the sum of its proper divisors (32522636149552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28127940558848 is an equidigital number, since it uses as much as digits as its factorization.
28127940558848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150821 (or 150795 counting only the distinct ones).
The product of its (nonzero) digits is 412876800, while the sum is 71.
The spelling of 28127940558848 in words is "twenty-eight trillion, one hundred twenty-seven billion, nine hundred forty million, five hundred fifty-eight thousand, eight hundred forty-eight".
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