Search a number
-
+
1421688547358 = 289167373128221
BaseRepresentation
bin10100101100000011001…
…111011010100000011110
312000220121220211011020122
4110230003033122200132
5141243104232003413
63005040435314542
7204466524156362
oct24540317324036
95026556734218
101421688547358
114a8a311379a2
121ab64874ba52
13a40ac07b251
144cb4ac752a2
1526eac26b108
hex14b033da81e

1421688547358 has 32 divisors (see below), whose sum is σ = 2175240070080. Its totient is φ = 696770046720.

The previous prime is 1421688547337. The next prime is 1421688547381. The reversal of 1421688547358 is 8537458861241.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421688547358.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11023688 + ... + 11151908.

It is an arithmetic number, because the mean of its divisors is an integer number (67976252190).

Almost surely, 21421688547358 is an apocalyptic number.

1421688547358 is a deficient number, since it is larger than the sum of its proper divisors (753551522722).

1421688547358 is a wasteful number, since it uses less digits than its factorization.

1421688547358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128852.

The product of its digits is 51609600, while the sum is 62.

The spelling of 1421688547358 in words is "one trillion, four hundred twenty-one billion, six hundred eighty-eight million, five hundred forty-seven thousand, three hundred fifty-eight".

Divisors: 1 2 89 167 178 334 373 746 14863 29726 33197 62291 66394 124582 128221 256442 5543899 11087798 11411669 21412907 22823338 42825814 47826433 95652866 1905748723 3811497446 4256552537 7987014311 8513105074 15974028622 710844273679 1421688547358