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87382950238 = 2237126755343
BaseRepresentation
bin101000101100001101…
…1100000000101011110
322100112212102210202101
41101120123200011132
52412430013401423
6104050531515314
76212300551603
oct1213033400536
9270485383671
1087382950238
1134071440951
1214b28458b3a
13831788ca1c
14432d4dc6aa
15241672e7ad
hex14586e015e

87382950238 has 16 divisors (see below), whose sum is σ = 138699703296. Its totient is φ = 41203226680.

The previous prime is 87382950203. The next prime is 87382950247. The reversal of 87382950238 is 83205928378.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13374406 + ... + 13380937.

It is an arithmetic number, because the mean of its divisors is an integer number (8668731456).

Almost surely, 287382950238 is an apocalyptic number.

87382950238 is a deficient number, since it is larger than the sum of its proper divisors (51316753058).

87382950238 is a wasteful number, since it uses less digits than its factorization.

87382950238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26755439.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 87382950238 in words is "eighty-seven billion, three hundred eighty-two million, nine hundred fifty thousand, two hundred thirty-eight".

Divisors: 1 2 23 46 71 142 1633 3266 26755343 53510686 615372889 1230745778 1899629353 3799258706 43691475119 87382950238