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13333480668 = 2232370374463
BaseRepresentation
bin11000110101011110…
…01100010011011100
31021102020021222221100
430122233030103130
5204301332340133
610043022433100
7651262500324
oct143257142334
937366258840
1013333480668
115722447412
122701432790
1313464c2b41
14906b76284
15530875e13
hex31abcc4dc

13333480668 has 18 divisors (see below), whose sum is σ = 33704076224. Its totient is φ = 4444493544.

The previous prime is 13333480577. The next prime is 13333480669. The reversal of 13333480668 is 86608433331.

13333480668 is a `hidden beast` number, since 133 + 33 + 480 + 6 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333480669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185187196 + ... + 185187267.

Almost surely, 213333480668 is an apocalyptic number.

13333480668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13333480668 is an abundant number, since it is smaller than the sum of its proper divisors (20370595556).

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

13333480668 is a wasteful number, since it uses less digits than its factorization.

13333480668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370374473 (or 370374468 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 13333480668 in words is "thirteen billion, three hundred thirty-three million, four hundred eighty thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 370374463 740748926 1111123389 1481497852 2222246778 3333370167 4444493556 6666740334 13333480668