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3145212544 = 2730780039
BaseRepresentation
bin1011101101111000…
…0010001010000000
322010012021100111111
42323132002022000
522420133300134
61240032453104
7140640602605
oct27336021200
98105240444
103145212544
111374432811
127393aa194
133b17c8316
1421ba066ac
151361c9c64
hexbb782280

3145212544 has 32 divisors (see below), whose sum is σ = 6286341600. Its totient is φ = 1567464192.

The previous prime is 3145212527. The next prime is 3145212569. The reversal of 3145212544 is 4452125413.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724 + ... + 79315.

It is an arithmetic number, because the mean of its divisors is an integer number (196448175).

Almost surely, 23145212544 is an apocalyptic number.

It is an amenable number.

3145212544 is a deficient number, since it is larger than the sum of its proper divisors (3141129056).

3145212544 is an equidigital number, since it uses as much as digits as its factorization.

3145212544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80360 (or 80348 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 3145212544 is about 56082.1945362340. The cubic root of 3145212544 is about 1465.1541954672.

Adding to 3145212544 its reverse (4452125413), we get a palindrome (7597337957).

The spelling of 3145212544 in words is "three billion, one hundred forty-five million, two hundred twelve thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 307 614 1228 2456 4912 9824 19648 39296 80039 160078 320156 640312 1280624 2561248 5122496 10244992 24571973 49143946 98287892 196575784 393151568 786303136 1572606272 3145212544