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14985025386448 = 2413139219312
BaseRepresentation
bin1101101000001111100100…
…0111010111011111010000
31222001112222011222012012211
43122003321013113133100
53431003312444331243
651512005311401504
73104426620112125
oct332037107273720
958045864865184
1014985025386448
1148581281987a7
121820246823294
1384910aa217c0
1439b3c9bbc74c
151aebdcbb6d9d
hexda0f91d77d0

14985025386448 has 90 divisors (see below), whose sum is σ = 31509709149282. Its totient is φ = 6862853093760.

The previous prime is 14985025386433. The next prime is 14985025386509. The reversal of 14985025386448 is 84468352058941.

It can be written as a sum of positive squares in only one way, i.e., 10374248344464 + 4610777041984 = 3220908^2 + 2147272^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7760240043 + ... + 7760241973.

Almost surely, 214985025386448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14985025386448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15754854574641).

14985025386448 is an abundant number, since it is smaller than the sum of its proper divisors (16524683762834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14985025386448 is an frugal number, since it uses more digits than its factorization.

14985025386448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 67.

The spelling of 14985025386448 in words is "fourteen trillion, nine hundred eighty-five billion, twenty-five million, three hundred eighty-six thousand, four hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 139 208 278 556 1112 1807 1931 2224 3614 3862 7228 7724 14456 15448 19321 25103 28912 30896 38642 50206 77284 100412 154568 200824 251173 268409 309136 401648 502346 536818 1004692 1073636 2009384 2147272 3489317 3728761 4018768 4294544 6978634 7457522 13957268 14915044 27914536 29830088 37308851 48473893 55829072 59660176 74617702 96947786 149235404 193895572 298470808 387791144 485015063 518297779 596941616 775582288 970030126 1036595558 1940060252 2073191116 3880120504 4146382232 6737871127 7760241008 8292764464 13475742254 26951484508 53902969016 72043391281 107805938032 144086782562 288173565124 576347130248 936564086653 1152694260496 1873128173306 3746256346612 7492512693224 14985025386448