Base | Representation |
---|---|
bin | 10010000011100101111… |
… | …10100101010011010000 |
3 | 2012022101001010211122112 |
4 | 21001302332211103100 |
5 | 40131042000031320 |
6 | 1153002041124452 |
7 | 62552124350045 |
oct | 11016276452320 |
9 | 2168331124575 |
10 | 620404298960 |
11 | 21a126064396 |
12 | a02a4189728 |
13 | 466720203a4 |
14 | 2205612d1cc |
15 | 1121134aec5 |
hex | 9072fa54d0 |
620404298960 has 40 divisors (see below), whose sum is σ = 1518357893280. Its totient is φ = 235100575872.
The previous prime is 620404298951. The next prime is 620404298963. The reversal of 620404298960 is 69892404026.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 620404298899 and 620404298908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (620404298963) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204078842 + ... + 204081881.
It is an arithmetic number, because the mean of its divisors is an integer number (37958947332).
Almost surely, 2620404298960 is an apocalyptic number.
It is an amenable number.
620404298960 is an abundant number, since it is smaller than the sum of its proper divisors (897953594320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
620404298960 is a wasteful number, since it uses less digits than its factorization.
620404298960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 408160755 (or 408160749 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 50.
The spelling of 620404298960 in words is "six hundred twenty billion, four hundred four million, two hundred ninety-eight thousand, nine hundred sixty".
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