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189337820160064 = 26281261212
BaseRepresentation
bin101011000011001110100101…
…100000110110000001000000
3220211101112000020012121021011
4223003032211200312001000
5144304102323430110224
61510404332132210304
754611130455112052
oct5303164540660100
9824345006177234
10189337820160064
115536879a4a9774
121929ab30a69994
138185631255884
1434a7ddc48b8d2
1516d51a04e2394
hexac33a5836040

189337820160064 has 63 divisors (see below), whose sum is σ = 377120678117943. Its totient is φ = 94316598835200.

The previous prime is 189337820160037. The next prime is 189337820160079. The reversal of 189337820160064 is 460061028733981.

The square root of 189337820160064 is 13760008.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 12571222630464 + 176766597529600 = 3545592^2 + 13295360^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189337820159990 and 189337820160008.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30932494924 + ... + 30932501044.

Almost surely, 2189337820160064 is an apocalyptic number.

189337820160064 is the 13760008-th square number.

It is an amenable number.

189337820160064 is a deficient number, since it is larger than the sum of its proper divisors (187782857957879).

189337820160064 is an frugal number, since it uses more digits than its factorization.

189337820160064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12816 (or 6404 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 189337820160064 in words is "one hundred eighty-nine trillion, three hundred thirty-seven billion, eight hundred twenty million, one hundred sixty thousand, sixty-four".

Divisors: 1 2 4 8 16 32 64 281 562 1124 2248 4496 6121 8992 12242 17984 24484 48968 78961 97936 157922 195872 315844 391744 631688 1263376 1720001 2526752 3440002 5053504 6880004 13760008 27520016 37466641 55040032 74933282 110080064 149866564 299733128 483320281 599466256 966640562 1198932512 1933281124 2397865024 3866562248 7733124496 10528126121 15466248992 21056252242 30932497984 42112504484 84225008968 168450017936 336900035872 673800071744 2958403440001 5916806880002 11833613760004 23667227520008 47334455040016 94668910080032 189337820160064