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5000000020 = 225412148721
BaseRepresentation
bin1001010100000010…
…11111001000010100
3110220110101022120221
410222001133020110
540220000000040
62144051204124
7234622204351
oct45201371024
913813338527
105000000020
112136408024
12b765a6644
13618b5b8c2
143560a1628
151e3e5674a
hex12a05f214

5000000020 has 36 divisors (see below), whose sum is σ = 10762416252. Its totient is φ = 1951206400.

The previous prime is 4999999937. The next prime is 5000000029. The reversal of 5000000020 is 200000005.

It can be written as a sum of positive squares in 6 ways, for example, as 3072263184 + 1927736836 = 55428^2 + 43906^2 .

It is a sliding number, since 5000000020 = 20 + 5000000000 and 1/20 + 1/5000000000 = 0.05000000020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5000000029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40741 + ... + 107980.

It is an arithmetic number, because the mean of its divisors is an integer number (298956007).

Almost surely, 25000000020 is an apocalyptic number.

It is an amenable number.

5000000020 is an abundant number, since it is smaller than the sum of its proper divisors (5762416232).

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

5000000020 is a wasteful number, since it uses less digits than its factorization.

5000000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148812 (or 148769 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 7.

The square root of 5000000020 is about 70710.6782600761. The cubic root of 5000000020 is about 1709.9759489567.

Adding to 5000000020 its reverse (200000005), we get a palindrome (5200000025).

It can be divided in two parts, 50000000 and 20, that multiplied together give a 9-th power (1000000000 = 109).

The spelling of 5000000020 in words is "five billion, twenty", and thus it is an aban number and an uban number.

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 1681 3362 6724 8405 16810 33620 148721 297442 594884 743605 1487210 2974420 6097561 12195122 24390244 30487805 60975610 121951220 250000001 500000002 1000000004 1250000005 2500000010 5000000020