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94897641380 = 22510214647289
BaseRepresentation
bin101100001100001010…
…1110001011110100100
3100001221120122200001112
41120120111301132210
53023322244011010
6111332333444152
76566436433253
oct1303025613644
9301846580045
1094897641380
11372782765a3
1216485040658
138c446c2929
14484355679a
152706314a05
hex16185717a4

94897641380 has 24 divisors (see below), whose sum is σ = 199480275960. Its totient is φ = 37921870080.

The previous prime is 94897641373. The next prime is 94897641389. The reversal of 94897641380 is 8314679849.

It can be written as a sum of positive squares in 4 ways, for example, as 13023830884 + 81873810496 = 114122^2 + 286136^2 .

It is not an unprimeable number, because it can be changed into a prime (94897641389) 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 7 ways as a sum of consecutive naturals, for example, 2303225 + ... + 2344064.

It is an arithmetic number, because the mean of its divisors is an integer number (8311678165).

Almost surely, 294897641380 is an apocalyptic number.

It is an amenable number.

94897641380 is an abundant number, since it is smaller than the sum of its proper divisors (104582634580).

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

94897641380 is a wasteful number, since it uses less digits than its factorization.

94897641380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648319 (or 4648317 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 94897641380 in words is "ninety-four billion, eight hundred ninety-seven million, six hundred forty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 1021 2042 4084 5105 10210 20420 4647289 9294578 18589156 23236445 46472890 92945780 4744882069 9489764138 18979528276 23724410345 47448820690 94897641380