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389726045746 = 2853228444341
BaseRepresentation
bin1011010101111010111…
…10111000011000110010
31101020221200022102021121
411222331132320120302
522341124331430441
6455012045412454
740104526505422
oct5527536703062
91336850272247
10389726045746
11140311213514
126364656a12a
132a99bc7227b
1414c118ca482
15a20e973dd1
hex5abd7b8632

389726045746 has 8 divisors (see below), whose sum is σ = 585274404204. Its totient is φ = 194634577680.

The previous prime is 389726045743. The next prime is 389726045777. The reversal of 389726045746 is 647540627983.

It can be written as a sum of positive squares in 2 ways, for example, as 389140163721 + 585882025 = 623811^2 + 24205^2 .

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

It is not an unprimeable number, because it can be changed into a prime (389726045743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114220465 + ... + 114223876.

Almost surely, 2389726045746 is an apocalyptic number.

389726045746 is a deficient number, since it is larger than the sum of its proper divisors (195548358458).

389726045746 is a wasteful number, since it uses less digits than its factorization.

389726045746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228445196.

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 389726045746 in words is "three hundred eighty-nine billion, seven hundred twenty-six million, forty-five thousand, seven hundred forty-six".

Divisors: 1 2 853 1706 228444341 456888682 194863022873 389726045746