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2120086550 = 25242401731
BaseRepresentation
bin111111001011101…
…1111010000010110
312110202022120000002
41332113133100112
513320220232200
6550212451302
7103352303231
oct17627372026
95422276002
102120086550
1199880844a
124b2019b32
1327a3017aa
141617d8418
15c61d3bd5
hex7e5df416

2120086550 has 12 divisors (see below), whose sum is σ = 3943361076. Its totient is φ = 848034600.

The previous prime is 2120086547. The next prime is 2120086567. The reversal of 2120086550 is 556800212.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21200816 + ... + 21200915.

It is an arithmetic number, because the mean of its divisors is an integer number (328613423).

Almost surely, 22120086550 is an apocalyptic number.

2120086550 is a deficient number, since it is larger than the sum of its proper divisors (1823274526).

2120086550 is a wasteful number, since it uses less digits than its factorization.

2120086550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42401743 (or 42401738 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2120086550 is about 46044.3975962331. The cubic root of 2120086550 is about 1284.6491393724.

Adding to 2120086550 its reverse (556800212), we get a palindrome (2676886762).

The spelling of 2120086550 in words is "two billion, one hundred twenty million, eighty-six thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 42401731 84803462 212008655 424017310 1060043275 2120086550