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16345351660 = 2251197765949
BaseRepresentation
bin11110011100100001…
…00100010111101100
31120012010122220012211
433032100210113230
5231433402223120
611301533340204
71116024124321
oct171620442754
946163586184
1016345351660
116a285856a0
123202037664
1317064a2721
14b10b8cb48
15659eb225a
hex3ce4245ec

16345351660 has 48 divisors (see below), whose sum is σ = 37831802400. Its totient is φ = 5882480640.

The previous prime is 16345351579. The next prime is 16345351663. The reversal of 16345351660 is 6615354361.

16345351660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16345351663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361635 + ... + 404314.

It is an arithmetic number, because the mean of its divisors is an integer number (788162550).

Almost surely, 216345351660 is an apocalyptic number.

16345351660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16345351660 is an abundant number, since it is smaller than the sum of its proper divisors (21486450740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16345351660 is a wasteful number, since it uses less digits than its factorization.

16345351660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766066 (or 766064 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 16345351660 in words is "sixteen billion, three hundred forty-five million, three hundred fifty-one thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 97 110 194 220 388 485 970 1067 1940 2134 4268 5335 10670 21340 765949 1531898 3063796 3829745 7659490 8425439 15318980 16850878 33701756 42127195 74297053 84254390 148594106 168508780 297188212 371485265 742970530 817267583 1485941060 1634535166 3269070332 4086337915 8172675830 16345351660