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64188688688146 = 2112917667667643
BaseRepresentation
bin11101001100001000101111…
…11111001110010000010010
322102021101020002010201120201
432212010113333032100102
531403131413301010041
6344303513153525414
716343323354351141
oct1646042777162022
9272241202121521
1064188688688146
11194a82a7406960
127248245b7386a
1329a7c7640cc49
1411bca6b7ab758
15764a65e4c631
hex3a6117fce412

64188688688146 has 8 divisors (see below), whose sum is σ = 105036036035184. Its totient is φ = 29176676676420.

The previous prime is 64188688688093. The next prime is 64188688688149.

64188688688146 is nontrivially palindromic in base 10.

64188688688146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64188688688146.

It is not an unprimeable number, because it can be changed into a prime (64188688688149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1458833833800 + ... + 1458833833843.

It is an arithmetic number, because the mean of its divisors is an integer number (13129504504398).

Almost surely, 264188688688146 is an apocalyptic number.

64188688688146 is a deficient number, since it is larger than the sum of its proper divisors (40847347347038).

64188688688146 is a wasteful number, since it uses less digits than its factorization.

64188688688146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917667667656.

The product of its digits is 5435817984, while the sum is 82.

The spelling of 64188688688146 in words is "sixty-four trillion, one hundred eighty-eight billion, six hundred eighty-eight million, six hundred eighty-eight thousand, one hundred forty-six".

Divisors: 1 2 11 22 2917667667643 5835335335286 32094344344073 64188688688146