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13304662784 = 2879776541
BaseRepresentation
bin11000110010000010…
…10000101100000000
31021100020001220020022
430121001100230000
5204221443202114
610040113033012
7650462524220
oct143101205400
937306056208
1013304662784
115708154086
1226b3855768
131340542c3a
14902dd4080
1552d08248e
hex319050b00

13304662784 has 72 divisors (see below), whose sum is σ = 30664562208. Its totient is φ = 5643141120.

The previous prime is 13304662751. The next prime is 13304662793. The reversal of 13304662784 is 48726640331.

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, 135554 + ... + 212094.

Almost surely, 213304662784 is an apocalyptic number.

13304662784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13304662784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15332281104).

13304662784 is an abundant number, since it is smaller than the sum of its proper divisors (17359899424).

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

13304662784 is an frugal number, since it uses more digits than its factorization.

13304662784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76661 (or 76647 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 13304662784 in words is "thirteen billion, three hundred four million, six hundred sixty-two thousand, seven hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 97 112 128 194 224 256 388 448 679 776 896 1358 1552 1792 2716 3104 5432 6208 10864 12416 21728 24832 43456 76541 86912 153082 173824 306164 535787 612328 1071574 1224656 2143148 2449312 4286296 4898624 7424477 8572592 9797248 14848954 17145184 19594496 29697908 34290368 51971339 59395816 68580736 103942678 118791632 137161472 207885356 237583264 415770712 475166528 831541424 950333056 1663082848 1900666112 3326165696 6652331392 13304662784