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6213042464 = 25194157577
BaseRepresentation
bin1011100100101001…
…11000000100100000
3121000222221020222212
411302110320010200
5100211014324324
62504303021252
7306651663266
oct56224700440
917028836885
106213042464
1126a9111842
12125489a828
1378026b6b5
1442d228436
152656bb70e
hex172538120

6213042464 has 12 divisors (see below), whose sum is σ = 12231927414. Its totient is φ = 3106521216.

The previous prime is 6213042443. The next prime is 6213042487. The reversal of 6213042464 is 4642403126.

It can be written as a sum of positive squares in only one way, i.e., 6192430864 + 20611600 = 78692^2 + 4540^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 194157577 = 6213042464 / (6 + 2 + 1 + 3 + 0 + 4 + 2 + 4 + 6 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 6213042464.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97078757 + ... + 97078820.

Almost surely, 26213042464 is an apocalyptic number.

It is an amenable number.

6213042464 is a deficient number, since it is larger than the sum of its proper divisors (6018884950).

6213042464 is a wasteful number, since it uses less digits than its factorization.

6213042464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194157587 (or 194157579 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 6213042464 is about 78822.8549597133. The cubic root of 6213042464 is about 1838.3778299014.

The spelling of 6213042464 in words is "six billion, two hundred thirteen million, forty-two thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 32 194157577 388315154 776630308 1553260616 3106521232 6213042464