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2142088550 = 25276120253
BaseRepresentation
bin111111110101101…
…1010110101100110
312112021201101001222
41333223122311212
513341333313200
6552320220342
7104040311060
oct17753326546
95467641058
102142088550
119aa175918
124b946a6b2
13281a36224
141646c4730
15c80ccd85
hex7fadad66

2142088550 has 24 divisors (see below), whose sum is σ = 4553468976. Its totient is φ = 734430240.

The previous prime is 2142088549. The next prime is 2142088589. The reversal of 2142088550 is 558802412.

It is a happy number.

It is a super-2 number, since 2×21420885502 = 9177086712082205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142088550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3059777 + ... + 3060476.

It is an arithmetic number, because the mean of its divisors is an integer number (189727874).

Almost surely, 22142088550 is an apocalyptic number.

2142088550 is an abundant number, since it is smaller than the sum of its proper divisors (2411380426).

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

2142088550 is a wasteful number, since it uses less digits than its factorization.

2142088550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6120272 (or 6120267 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 2142088550 is about 46282.7024923999. The cubic root of 2142088550 is about 1289.0778318127.

The spelling of 2142088550 in words is "two billion, one hundred forty-two million, eighty-eight thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 6120253 12240506 30601265 42841771 61202530 85683542 153006325 214208855 306012650 428417710 1071044275 2142088550