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1468140669 = 322341172987
BaseRepresentation
bin101011110000010…
…0000110001111101
310210022120021101100
41113200200301331
511001321000134
6401403203313
751244663332
oct12740406175
93708507340
101468140669
116937aa8a6
1234b816539
131a5218bb8
14dcdac989
1588d54999
hex57820c7d

1468140669 has 24 divisors (see below), whose sum is σ = 2266834752. Its totient is φ = 913366080.

The previous prime is 1468140617. The next prime is 1468140671. The reversal of 1468140669 is 9660418641.

It is not a de Polignac number, because 1468140669 - 211 = 1468138621 is a prime.

It is a super-2 number, since 2×14681406692 = 4310874047943535122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1468141669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78007 + ... + 94980.

It is an arithmetic number, because the mean of its divisors is an integer number (94451448).

Almost surely, 21468140669 is an apocalyptic number.

It is an amenable number.

1468140669 is a deficient number, since it is larger than the sum of its proper divisors (798694083).

1468140669 is a wasteful number, since it uses less digits than its factorization.

1468140669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173057 (or 173054 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1468140669 is about 38316.3237928693. The cubic root of 1468140669 is about 1136.5517711179.

The spelling of 1468140669 in words is "one billion, four hundred sixty-eight million, one hundred forty thousand, six hundred sixty-nine".

Divisors: 1 3 9 23 41 69 123 207 369 943 2829 8487 172987 518961 1556883 3978701 7092467 11936103 21277401 35808309 63832203 163126741 489380223 1468140669