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13301560640 = 265415310009
BaseRepresentation
bin11000110001101010…
…11011010101000000
31021100000020021220002
430120311123111000
5204220144420030
610035522335132
7650424254114
oct143065332500
937300207802
1013301560640
115706425425
1226b27ba4a8
13133c9c7c54
14902827744
1552cb6d245
hex318d5b540

13301560640 has 56 divisors (see below), whose sum is σ = 31685133480. Its totient is φ = 5318811648.

The previous prime is 13301560639. The next prime is 13301560651. The reversal of 13301560640 is 4606510331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1535385856 + 11766174784 = 39184^2 + 108472^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323956 + ... + 1333964.

It is an arithmetic number, because the mean of its divisors is an integer number (565805955).

Almost surely, 213301560640 is an apocalyptic number.

13301560640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13301560640 is an abundant number, since it is smaller than the sum of its proper divisors (18383572840).

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

13301560640 is a wasteful number, since it uses less digits than its factorization.

13301560640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14179 (or 14169 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 13301560640 in words is "thirteen billion, three hundred one million, five hundred sixty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 4153 8306 10009 16612 20018 20765 33224 40036 41530 50045 66448 80072 83060 100090 132896 160144 166120 200180 265792 320288 332240 400360 640576 664480 800720 1328960 1601440 3202880 41567377 83134754 166269508 207836885 332539016 415673770 665078032 831347540 1330156064 1662695080 2660312128 3325390160 6650780320 13301560640