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3140593681 = 560412
BaseRepresentation
bin1011101100110001…
…1010100000010001
322002212120200121111
42323030122200101
522412442444211
61235345453321
7140553414541
oct27314324021
98085520544
103140593681
111371868575
12737941241
133b086bb74
1421b163321
15135ab6421
hexbb31a811

3140593681 has 3 divisors (see below), whose sum is σ = 3140649723. Its totient is φ = 3140537640.

The previous prime is 3140593679. The next prime is 3140593691. The reversal of 3140593681 is 1863950413.

The square root of 3140593681 is 56041.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1863950413 = 13143380801.

It can be written as a sum of positive squares in only one way, i.e., 2385443281 + 755150400 = 48841^2 + 27480^2 .

It is not a de Polignac number, because 3140593681 - 21 = 3140593679 is a prime.

It is a super-2 number, since 2×31405936812 = 19726657338274259522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3140593691) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 28021 + ... + 84061.

It is an arithmetic number, because the mean of its divisors is an integer number (1046883241).

Almost surely, 23140593681 is an apocalyptic number.

3140593681 is the 56041-st square number.

3140593681 is the 28021-st centered octagonal number.

It is an amenable number.

3140593681 is a deficient number, since it is larger than the sum of its proper divisors (56042).

3140593681 is an frugal number, since it uses more digits than its factorization.

3140593681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112082 (or 56041 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The cubic root of 3140593681 is about 1464.4366327361.

The spelling of 3140593681 in words is "three billion, one hundred forty million, five hundred ninety-three thousand, six hundred eighty-one".

Divisors: 1 56041 3140593681