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168355050372 = 2234975356849
BaseRepresentation
bin1001110011001010111…
…1100011001110000100
3121002112221201200110000
42130302233203032010
510224242343102442
6205201413001300
715106665213435
oct2346257431604
9532487650400
10168355050372
1165443045173
1228765923230
1312b50213902
14821140148c
1545a521cd4c
hex2732be3384

168355050372 has 60 divisors (see below), whose sum is σ = 444650691100. Its totient is φ = 55539800064.

The previous prime is 168355050361. The next prime is 168355050401. The reversal of 168355050372 is 273050553861.

168355050372 is a `hidden beast` number, since 1 + 68 + 3 + 550 + 5 + 0 + 37 + 2 = 666.

168355050372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 91195544196 + 77159506176 = 301986^2 + 277776^2 .

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 19 ways as a sum of consecutive naturals, for example, 2646997 + ... + 2709852.

Almost surely, 2168355050372 is an apocalyptic number.

168355050372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168355050372 is an abundant number, since it is smaller than the sum of its proper divisors (276295640728).

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

168355050372 is a wasteful number, since it uses less digits than its factorization.

168355050372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356962 (or 5356951 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 168355050372 in words is "one hundred sixty-eight billion, three hundred fifty-five million, fifty thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 97 108 162 194 291 324 388 582 873 1164 1746 2619 3492 5238 7857 10476 15714 31428 5356849 10713698 16070547 21427396 32141094 48211641 64282188 96423282 144634923 192846564 289269846 433904769 519614353 578539692 867809538 1039228706 1558843059 1735619076 2078457412 3117686118 4676529177 6235372236 9353058354 14029587531 18706116708 28059175062 42088762593 56118350124 84177525186 168355050372