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6466149148 = 221616537287
BaseRepresentation
bin1100000010110100…
…11001101100011100
3121200122012102002111
412001122121230130
5101220313233043
62545344003404
7316144234534
oct60132315434
917618172074
106466149148
112818a77618
121305600564
137c082b174
14454ab24c4
1527ca1609d
hex181699b1c

6466149148 has 6 divisors (see below), whose sum is σ = 11315761016. Its totient is φ = 3233074572.

The previous prime is 6466149139. The next prime is 6466149149. The reversal of 6466149148 is 8419416646.

It is a super-2 number, since 2×64661491482 = 83622169608362251808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466149149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808268640 + ... + 808268647.

Almost surely, 26466149148 is an apocalyptic number.

It is an amenable number.

6466149148 is a deficient number, since it is larger than the sum of its proper divisors (4849611868).

6466149148 is a wasteful number, since it uses less digits than its factorization.

6466149148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616537291 (or 1616537289 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 6466149148 is about 80412.3693718821. The cubic root of 6466149148 is about 1863.0102283207.

The spelling of 6466149148 in words is "six billion, four hundred sixty-six million, one hundred forty-nine thousand, one hundred forty-eight".

Divisors: 1 2 4 1616537287 3233074574 6466149148