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165141751008 = 25313132325121
BaseRepresentation
bin1001100111001100110…
…1110010010011100000
3120210021000100011101110
42121303031302103200
510201202242013013
6203510504503320
714634236502633
oct2316315622340
9523230304343
10165141751008
1164044238863
122800977ab40
131275a599840
147dc8753c1a
1544680942c3
hex26733724e0

165141751008 has 48 divisors (see below), whose sum is σ = 466843030416. Its totient is φ = 50812846080.

The previous prime is 165141751007. The next prime is 165141751037. The reversal of 165141751008 is 800157141561.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165141751001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66161313 + ... + 66163808.

It is an arithmetic number, because the mean of its divisors is an integer number (9725896467).

Almost surely, 2165141751008 is an apocalyptic number.

It is an amenable number.

165141751008 is an abundant number, since it is smaller than the sum of its proper divisors (301701279408).

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

165141751008 is a wasteful number, since it uses less digits than its factorization.

165141751008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132325147 (or 132325139 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 39.

Adding to 165141751008 its reverse (800157141561), we get a palindrome (965298892569).

The spelling of 165141751008 in words is "one hundred sixty-five billion, one hundred forty-one million, seven hundred fifty-one thousand, eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 132325121 264650242 396975363 529300484 793950726 1058600968 1587901452 1720226573 2117201936 3175802904 3440453146 4234403872 5160679719 6351605808 6880906292 10321359438 12703211616 13761812584 20642718876 27523625168 41285437752 55047250336 82570875504 165141751008