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189382604365 = 550974413597
BaseRepresentation
bin1011000001100000010…
…1010011011001001101
3200002211101210002210001
42300120011103121031
511100323421314430
6223000130244301
716453035401533
oct2603005233115
9602741702701
10189382604365
11733535a7769
1230853a26691
1314b21755256
149247d68153
154dd62ae3ca
hex2c1815364d

189382604365 has 8 divisors (see below), whose sum is σ = 227705609880. Its totient is φ = 151208427072.

The previous prime is 189382604303. The next prime is 189382604377. The reversal of 189382604365 is 563406283981.

It can be written as a sum of positive squares in 4 ways, for example, as 24642406441 + 164740197924 = 156979^2 + 405882^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189382604365 - 213 = 189382596173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37204254 + ... + 37209343.

It is an arithmetic number, because the mean of its divisors is an integer number (28463201235).

Almost surely, 2189382604365 is an apocalyptic number.

It is an amenable number.

189382604365 is a deficient number, since it is larger than the sum of its proper divisors (38323005515).

189382604365 is an equidigital number, since it uses as much as digits as its factorization.

189382604365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74414111.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 189382604365 in words is "one hundred eighty-nine billion, three hundred eighty-two million, six hundred four thousand, three hundred sixty-five".

Divisors: 1 5 509 2545 74413597 372067985 37876520873 189382604365