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189375324620928 = 27341223386313963
BaseRepresentation
bin101011000011110001100000…
…111101000000100010000000
3220211112002210222110121122020
4223003301200331000202000
5144310211131100332203
61510433453443041440
754613626040553415
oct5303614075004200
9824462728417566
10189375324620928
1155382695820276
12192a6259070280
13818902a2ab254
1434a9b5944a10c
1516d6147d80153
hexac3c60f40880

189375324620928 has 256 divisors, whose sum is σ = 517779007119360. Its totient is φ = 61289042780160.

The previous prime is 189375324620863. The next prime is 189375324620929. The reversal of 189375324620928 is 829026423573981.

It is not an unprimeable number, because it can be changed into a prime (189375324620929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13562646075 + ... + 13562660037.

It is an arithmetic number, because the mean of its divisors is an integer number (2022574246560).

It is a 2-persistent number, because it is pandigital, and so is 2⋅189375324620928 = 378750649241856, but 3⋅189375324620928 = 568125973862784 is not.

Almost surely, 2189375324620928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189375324620928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258889503559680).

189375324620928 is an abundant number, since it is smaller than the sum of its proper divisors (328403682498432).

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

189375324620928 is a wasteful number, since it uses less digits than its factorization.

189375324620928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18107 (or 18095 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 69.

The spelling of 189375324620928 in words is "one hundred eighty-nine trillion, three hundred seventy-five billion, three hundred twenty-four million, six hundred twenty thousand, nine hundred twenty-eight".