Search a number
-
+
14557881472 = 271937161783
BaseRepresentation
bin11011000111011011…
…11010010010000000
31101120120020000002021
431203231322102000
5214303304201342
610404321531224
71023520644061
oct154355722200
941516200067
1014557881472
1161a05a9902
1229a34a3b14
1314b007b864
149c1618568
155a30d1567
hex363b7a480

14557881472 has 64 divisors (see below), whose sum is σ = 31353739200. Its totient is φ = 6709423104.

The previous prime is 14557881467. The next prime is 14557881479. The reversal of 14557881472 is 27418875541.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (14557881479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9093 + ... + 170875.

It is an arithmetic number, because the mean of its divisors is an integer number (489902175).

Almost surely, 214557881472 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 14557881472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15676869600).

14557881472 is an abundant number, since it is smaller than the sum of its proper divisors (16795857728).

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

14557881472 is a wasteful number, since it uses less digits than its factorization.

14557881472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161853 (or 161841 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 52.

The spelling of 14557881472 in words is "fourteen billion, five hundred fifty-seven million, eight hundred eighty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 19 32 37 38 64 74 76 128 148 152 296 304 592 608 703 1184 1216 1406 2368 2432 2812 4736 5624 11248 22496 44992 89984 161783 323566 647132 1294264 2588528 3073877 5177056 5985971 6147754 10354112 11971942 12295508 20708224 23943884 24591016 47887768 49182032 95775536 98364064 113733449 191551072 196728128 227466898 383102144 393456256 454933796 766204288 909867592 1819735184 3639470368 7278940736 14557881472