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13440148984 = 231680018623
BaseRepresentation
bin11001000010001100…
…00110010111111000
31021200200000022100201
430201012012113320
5210011134231414
610101353011544
7654026244553
oct144106062770
937620008321
1013440148984
115777682949
1227310b3bb4
13136262c8a2
14916dc169a
15539de6574
hex3211865f8

13440148984 has 8 divisors (see below), whose sum is σ = 25200279360. Its totient is φ = 6720074488.

The previous prime is 13440148979. The next prime is 13440148991. The reversal of 13440148984 is 48984104431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840009304 + ... + 840009319.

It is an arithmetic number, because the mean of its divisors is an integer number (3150034920).

Almost surely, 213440148984 is an apocalyptic number.

It is an amenable number.

13440148984 is a deficient number, since it is larger than the sum of its proper divisors (11760130376).

13440148984 is a wasteful number, since it uses less digits than its factorization.

13440148984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680018629 (or 1680018625 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 13440148984 in words is "thirteen billion, four hundred forty million, one hundred forty-eight thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 1680018623 3360037246 6720074492 13440148984