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3718926289 = 13246912
BaseRepresentation
bin1101110110101010…
…0100111111010001
3100121011211000210201
43131222210333101
530104021120124
61413005255201
7161105231461
oct33552447721
910534730721
103718926289
111639267401
12879564501
1347361c400
14273ca9ba1
1516b754144
hexddaa4fd1

3718926289 has 9 divisors (see below), whose sum is σ = 4027861659. Its totient is φ = 3432123240.

The previous prime is 3718926283. The next prime is 3718926293. The reversal of 3718926289 is 9826298173.

The square root of 3718926289 is 60983.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 550137025 + 3168789264 = 23455^2 + 56292^2 .

It is not a de Polignac number, because 3718926289 - 25 = 3718926257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3718926283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 790434 + ... + 795124.

Almost surely, 23718926289 is an apocalyptic number.

3718926289 is the 60983-rd square number.

3718926289 is the 30492-nd centered octagonal number.

It is an amenable number.

3718926289 is a deficient number, since it is larger than the sum of its proper divisors (308935370).

3718926289 is an frugal number, since it uses more digits than its factorization.

3718926289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9408 (or 4704 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The cubic root of 3718926289 is about 1549.3130898706.

The spelling of 3718926289 in words is "three billion, seven hundred eighteen million, nine hundred twenty-six thousand, two hundred eighty-nine".

Divisors: 1 13 169 4691 60983 792779 22005481 286071253 3718926289