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648395003612 = 221972693058871
BaseRepresentation
bin10010110111101110101…
…10101001011011011100
32021222121202120221222102
421123313112221123130
541110403110103422
61213511335104232
764562555411006
oct11336726513334
92258552527872
10648395003612
1122aa8a092054
12a57b6212078
13491b3035215
142354d77d376
1511ced878192
hex96f75a96dc

648395003612 has 24 divisors (see below), whose sum is σ = 1144691079840. Its totient is φ = 321352646720.

The previous prime is 648395003609. The next prime is 648395003617. The reversal of 648395003612 is 216300593846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648395003617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317464 + ... + 1741407.

It is an arithmetic number, because the mean of its divisors is an integer number (47695461660).

Almost surely, 2648395003612 is an apocalyptic number.

It is an amenable number.

648395003612 is a deficient number, since it is larger than the sum of its proper divisors (496296076228).

648395003612 is a wasteful number, since it uses less digits than its factorization.

648395003612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059341 (or 3059339 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 648395003612 in words is "six hundred forty-eight billion, three hundred ninety-five million, three thousand, six hundred twelve".

Divisors: 1 2 4 197 269 394 538 788 1076 52993 105986 211972 3058871 6117742 12235484 602597587 822836299 1205195174 1645672598 2410390348 3291345196 162098750903 324197501806 648395003612