Base | Representation |
---|---|
bin | 1001000001000000… |
… | …0011101111000000 |
3 | 20020122220021110110 |
4 | 2100100003233000 |
5 | 14424023104304 |
6 | 1040051431320 |
7 | 113654516550 |
oct | 22020035700 |
9 | 6218807413 |
10 | 2420128704 |
11 | 1032110574 |
12 | 5765b5540 |
13 | 2c7515826 |
14 | 18d5bd160 |
15 | e2700289 |
hex | 90403bc0 |
2420128704 has 224 divisors, whose sum is σ = 7860036096. Its totient is φ = 641433600.
The previous prime is 2420128679. The next prime is 2420128717. The reversal of 2420128704 is 4078210242.
It is a tau number, because it is divible by the number of its divisors (224).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1667179 + ... + 1668629.
Almost surely, 22420128704 is an apocalyptic number.
2420128704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2420128704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3930018048).
2420128704 is an abundant number, since it is smaller than the sum of its proper divisors (5439907392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2420128704 is a wasteful number, since it uses less digits than its factorization.
2420128704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1563 (or 1553 counting only the distinct ones).
The product of its (nonzero) digits is 7168, while the sum is 30.
The square root of 2420128704 is about 49194.8036280256. The cubic root of 2420128704 is about 1342.5984894228.
Adding to 2420128704 its reverse (4078210242), we get a palindrome (6498338946).
The spelling of 2420128704 in words is "two billion, four hundred twenty million, one hundred twenty-eight thousand, seven hundred four".
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