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620205051306 = 23159311648841
BaseRepresentation
bin10010000011001110001…
…10100000110110101010
32012021212011020000020210
421001213012200312222
540130134443120211
61152530202401550
762544154645101
oct11014706406652
92167764200223
10620205051306
1121a033645705
12a02495002b6
134663c96a679
14220378a5038
15111edade9a6
hex90671a0daa

620205051306 has 16 divisors (see below), whose sum is σ = 1240419800448. Its totient is φ = 206733400800.

The previous prime is 620205051293. The next prime is 620205051313. The reversal of 620205051306 is 603150502026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631446 + ... + 1280286.

It is an arithmetic number, because the mean of its divisors is an integer number (77526237528).

Almost surely, 2620205051306 is an apocalyptic number.

620205051306 is an abundant number, since it is smaller than the sum of its proper divisors (620214749142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620205051306 is a wasteful number, since it uses less digits than its factorization.

620205051306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808157.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 620205051306 in words is "six hundred twenty billion, two hundred five million, fifty-one thousand, three hundred six".

Divisors: 1 2 3 6 159311 318622 477933 648841 955866 1297682 1946523 3893046 103367508551 206735017102 310102525653 620205051306