Base | Representation |
---|---|
bin | 10010000011011110111… |
… | …00110100000110100101 |
3 | 2012022012220202222120200 |
4 | 21001233130310012211 |
5 | 40130431322140140 |
6 | 1152552124421113 |
7 | 62550505322145 |
oct | 11015734640645 |
9 | 2168186688520 |
10 | 620345115045 |
11 | 21a0a5710667 |
12 | a02883a7799 |
13 | 4666299aa16 |
14 | 2204c324925 |
15 | 1120b05a030 |
hex | 906f7341a5 |
620345115045 has 48 divisors (see below), whose sum is σ = 1105415880192. Its totient is φ = 321666739200.
The previous prime is 620345114981. The next prime is 620345115077. The reversal of 620345115045 is 540511543026.
620345115045 is a `hidden beast` number, since 6 + 20 + 34 + 511 + 50 + 45 = 666.
It is not a de Polignac number, because 620345115045 - 26 = 620345114981 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 651852 + ... + 1290581.
It is an arithmetic number, because the mean of its divisors is an integer number (23029497504).
Almost surely, 2620345115045 is an apocalyptic number.
It is an amenable number.
620345115045 is a deficient number, since it is larger than the sum of its proper divisors (485070765147).
620345115045 is a wasteful number, since it uses less digits than its factorization.
620345115045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1942642 (or 1942639 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
The spelling of 620345115045 in words is "six hundred twenty billion, three hundred forty-five million, one hundred fifteen thousand, forty-five".
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