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20160030500 = 2253107376823
BaseRepresentation
bin10010110001101000…
…011010011100100100
31221000222122122211022
4102301220122130210
5312241431434000
613132243230312
71312404301061
oct226150323444
957028578738
1020160030500
1186058a2335
123aa7678398
131b938a923c
14d93661c68
157ced2c585
hex4b1a1a724

20160030500 has 48 divisors (see below), whose sum is σ = 44441115264. Its totient is φ = 7988626400.

The previous prime is 20160030491. The next prime is 20160030557. The reversal of 20160030500 is 503006102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134912 + ... + 241911.

It is an arithmetic number, because the mean of its divisors is an integer number (925856568).

Almost surely, 220160030500 is an apocalyptic number.

20160030500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20160030500 is an abundant number, since it is smaller than the sum of its proper divisors (24281084764).

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

20160030500 is a wasteful number, since it uses less digits than its factorization.

20160030500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376949 (or 376937 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 20160030500 its reverse (503006102), we get a palindrome (20663036602).

The spelling of 20160030500 in words is "twenty billion, one hundred sixty million, thirty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 107 125 214 250 428 500 535 1070 2140 2675 5350 10700 13375 26750 53500 376823 753646 1507292 1884115 3768230 7536460 9420575 18841150 37682300 40320061 47102875 80640122 94205750 161280244 188411500 201600305 403200610 806401220 1008001525 2016003050 4032006100 5040007625 10080015250 20160030500