Base | Representation |
---|---|
bin | 101101010000101001001… |
… | …1000010010010000111110 |
3 | 211000200011222022000220000 |
4 | 1122201102120102100332 |
5 | 1303404033123230330 |
6 | 21121353354335130 |
7 | 1211262441621252 |
oct | 132412230222076 |
9 | 24020158260800 |
10 | 6220494742590 |
11 | 1a89108129047 |
12 | 8456a712a4a6 |
13 | 3617896ba99b |
14 | 177105b80262 |
15 | abc21803560 |
hex | 5a85261243e |
6220494742590 has 320 divisors, whose sum is σ = 17711238124800. Its totient is φ = 1563965190144.
The previous prime is 6220494742577. The next prime is 6220494742597. The reversal of 6220494742590 is 952474940226.
6220494742590 is a `hidden beast` number, since 6 + 2 + 2 + 0 + 4 + 9 + 4 + 7 + 42 + 590 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6220494742597) by changing a digit.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 504535546 + ... + 504547874.
It is an arithmetic number, because the mean of its divisors is an integer number (55347619140).
Almost surely, 26220494742590 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6220494742590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8855619062400).
6220494742590 is an abundant number, since it is smaller than the sum of its proper divisors (11490743382210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6220494742590 is a wasteful number, since it uses less digits than its factorization.
6220494742590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12881 (or 12872 counting only the distinct ones).
The product of its (nonzero) digits is 8709120, while the sum is 54.
The spelling of 6220494742590 in words is "six trillion, two hundred twenty billion, four hundred ninety-four million, seven hundred forty-two thousand, five hundred ninety".
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