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15200555120 = 2451025918521
BaseRepresentation
bin11100010100000011…
…00001000001110000
31110020100112012120222
432022001201001300
5222112320230440
610552200352212
71045453405142
oct161201410160
943210465528
1015200555120
1164a0354053
122b42775668
131583268c1a
14a42b0cc92
155de72d2b5
hex38a061070

15200555120 has 40 divisors (see below), whose sum is σ = 35346643920. Its totient is φ = 6079301120.

The previous prime is 15200555099. The next prime is 15200555137. The reversal of 15200555120 is 2155500251.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 15200555120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811460 + ... + 829980.

It is an arithmetic number, because the mean of its divisors is an integer number (883666098).

Almost surely, 215200555120 is an apocalyptic number.

15200555120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15200555120 is an abundant number, since it is smaller than the sum of its proper divisors (20146088800).

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

15200555120 is a wasteful number, since it uses less digits than its factorization.

15200555120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28793 (or 28787 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 15200555120 in words is "fifteen billion, two hundred million, five hundred fifty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 10259 18521 20518 37042 41036 51295 74084 82072 92605 102590 148168 164144 185210 205180 296336 370420 410360 740840 820720 1481680 190006939 380013878 760027756 950034695 1520055512 1900069390 3040111024 3800138780 7600277560 15200555120