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238820064320 = 2652398131121
BaseRepresentation
bin1101111001101011001…
…0001111110001000000
3211211102210002021112102
43132122302033301000
512403100414024240
6301413514445532
723153120024045
oct3363262176100
9754383067472
10238820064320
1192312778092
123a3504338a8
131969cab3a36
14b7b7aa31cc
15632b585815
hex379ac8fc40

238820064320 has 56 divisors (see below), whose sum is σ = 568732266648. Its totient is φ = 95520972800.

The previous prime is 238820064239. The next prime is 238820064397. The reversal of 238820064320 is 23460028832.

238820064320 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 4 ways, for example, as 621405184 + 238198659136 = 24928^2 + 488056^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 7658360 + ... + 7689480.

It is an arithmetic number, because the mean of its divisors is an integer number (10155933333).

Almost surely, 2238820064320 is an apocalyptic number.

238820064320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238820064320 is an abundant number, since it is smaller than the sum of its proper divisors (329912202328).

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

238820064320 is a wasteful number, since it uses less digits than its factorization.

238820064320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55119 (or 55109 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 238820064320 in words is "two hundred thirty-eight billion, eight hundred twenty million, sixty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 23981 31121 47962 62242 95924 119905 124484 155605 191848 239810 248968 311210 383696 479620 497936 622420 767392 959240 995872 1244840 1534784 1918480 1991744 2489680 3836960 4979360 7673920 9958720 746312701 1492625402 2985250804 3731563505 5970501608 7463127010 11941003216 14926254020 23882006432 29852508040 47764012864 59705016080 119410032160 238820064320