Base | Representation |
---|---|
bin | 101110101110000001111… |
… | …1101101100011111000000 |
3 | 211201211211111111101010222 |
4 | 1131130003331230133000 |
5 | 1320200243402042120 |
6 | 21353441455242212 |
7 | 1231622264444531 |
oct | 135340375543700 |
9 | 24654744441128 |
10 | 6421042612160 |
11 | 2056170181810 |
12 | 878536219368 |
13 | 37766a382727 |
14 | 182acc918688 |
15 | b205cde9525 |
hex | 5d703f6c7c0 |
6421042612160 has 112 divisors (see below), whose sum is σ = 16687927906272. Its totient is φ = 2333831270400.
The previous prime is 6421042612109. The next prime is 6421042612163. The reversal of 6421042612160 is 612162401246.
It is a self number, because there is not a number n which added to its sum of digits gives 6421042612160.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6421042612163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7110314 + ... + 7962326.
It is an arithmetic number, because the mean of its divisors is an integer number (148999356306).
Almost surely, 26421042612160 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 6421042612160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8343963953136).
6421042612160 is an abundant number, since it is smaller than the sum of its proper divisors (10266885294112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6421042612160 is a wasteful number, since it uses less digits than its factorization.
6421042612160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 854182 (or 854172 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 35.
The spelling of 6421042612160 in words is "six trillion, four hundred twenty-one billion, forty-two million, six hundred twelve thousand, one hundred sixty".
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