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1368024811469 = 2947173269361
BaseRepresentation
bin10011111010000100101…
…000100000011111001101
311211210010000000220210222
4103322010220200133031
5134403203322431334
62524243435241125
7200556634015031
oct23720450403715
94753100026728
101368024811469
114881a3383948
121a11708a91a5
139c009273b84
144a2d9b241c1
15258bae24d2e
hex13e84a207cd

1368024811469 has 4 divisors (see below), whose sum is σ = 1415198080860. Its totient is φ = 1320851542080.

The previous prime is 1368024811463. The next prime is 1368024811477. The reversal of 1368024811469 is 9641184208631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 497078581444 + 870946230025 = 705038^2 + 933245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368024811469 - 232 = 1363729844173 is a prime.

It is a super-2 number, since 2×13680248114692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1368024811469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368024811463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23586634652 + ... + 23586634709.

It is an arithmetic number, because the mean of its divisors is an integer number (353799520215).

Almost surely, 21368024811469 is an apocalyptic number.

It is an amenable number.

1368024811469 is a deficient number, since it is larger than the sum of its proper divisors (47173269391).

1368024811469 is an equidigital number, since it uses as much as digits as its factorization.

1368024811469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47173269390.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 1368024811469 in words is "one trillion, three hundred sixty-eight billion, twenty-four million, eight hundred eleven thousand, four hundred sixty-nine".

Divisors: 1 29 47173269361 1368024811469