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6013205040 = 243525055021
BaseRepresentation
bin1011001100110101…
…00011101000110000
3120112001220110120210
411212122203220300
544303340030130
62432403504120
7302004254013
oct54632435060
916461813523
106013205040
11260632aa47
1211b9988040
1374aa403bb
1441088937a
15252d955b0
hex1666a3a30

6013205040 has 40 divisors (see below), whose sum is σ = 18640936368. Its totient is φ = 1603521280.

The previous prime is 6013205027. The next prime is 6013205041. The reversal of 6013205040 is 405023106.

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 = 6013204998 and 6013205016.

It is not an unprimeable number, because it can be changed into a prime (6013205041) 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, 12527271 + ... + 12527750.

Almost surely, 26013205040 is an apocalyptic number.

6013205040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6013205040 is an abundant number, since it is smaller than the sum of its proper divisors (12627731328).

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

6013205040 is a wasteful number, since it uses less digits than its factorization.

6013205040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25055037 (or 25055031 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 6013205040 is about 77544.8582434709. The cubic root of 6013205040 is about 1818.4526799678.

Adding to 6013205040 its reverse (405023106), we get a palindrome (6418228146).

The spelling of 6013205040 in words is "six billion, thirteen million, two hundred five thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 25055021 50110042 75165063 100220084 125275105 150330126 200440168 250550210 300660252 375825315 400880336 501100420 601320504 751650630 1002200840 1202641008 1503301260 2004401680 3006602520 6013205040