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2395201664 = 2718712513
BaseRepresentation
bin1000111011000011…
…1110000010000000
320011220222211222202
42032300332002000
514401132423124
61033401252332
7113232610142
oct21660760200
96156884882
102395201664
11101a035509
1256a1940a8
132c22c88bb
1418a170c92
15e04295ae
hex8ec3e080

2395201664 has 16 divisors (see below), whose sum is σ = 4771691070. Its totient is φ = 1197600768.

The previous prime is 2395201649. The next prime is 2395201667. The reversal of 2395201664 is 4661025932.

It can be written as a sum of positive squares in only one way, i.e., 2006323264 + 388878400 = 44792^2 + 19720^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×23952016642 = 11473982022456737792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2395201667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9356129 + ... + 9356384.

Almost surely, 22395201664 is an apocalyptic number.

It is an amenable number.

2395201664 is a deficient number, since it is larger than the sum of its proper divisors (2376489406).

2395201664 is an equidigital number, since it uses as much as digits as its factorization.

2395201664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18712527 (or 18712515 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 2395201664 is about 48940.7975415195. The cubic root of 2395201664 is about 1337.9730370240.

The spelling of 2395201664 in words is "two billion, three hundred ninety-five million, two hundred one thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 64 128 18712513 37425026 74850052 149700104 299400208 598800416 1197600832 2395201664