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16388407467263 = 131260646728251
BaseRepresentation
bin1110111001111011100100…
…1101001001110011111111
32011000201100021221111101002
43232132321031021303333
54122001424302423023
654504421440040515
73311011005015116
oct356367115116377
964021307844332
1016388407467263
1152493148523a7
121a0822460313b
1391b560219210
144092bb64cc7d
151d6477bdeb28
hexee7b9349cff

16388407467263 has 4 divisors (see below), whose sum is σ = 17649054195528. Its totient is φ = 15127760739000.

The previous prime is 16388407467253. The next prime is 16388407467269. The reversal of 16388407467263 is 36276470488361.

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

It is not a de Polignac number, because 16388407467263 - 224 = 16388390690047 is a prime.

It is a super-2 number, since 2×163884074672632 (a number of 27 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 16388407467263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16388407467269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630323364113 + ... + 630323364138.

It is an arithmetic number, because the mean of its divisors is an integer number (4412263548882).

Almost surely, 216388407467263 is an apocalyptic number.

16388407467263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16388407467263 is a deficient number, since it is larger than the sum of its proper divisors (1260646728265).

16388407467263 is a wasteful number, since it uses less digits than its factorization.

16388407467263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260646728264.

The product of its (nonzero) digits is 195084288, while the sum is 65.

The spelling of 16388407467263 in words is "sixteen trillion, three hundred eighty-eight billion, four hundred seven million, four hundred sixty-seven thousand, two hundred sixty-three".

Divisors: 1 13 1260646728251 16388407467263