Search a number
-
+
1428587287300 = 2252109451130523
BaseRepresentation
bin10100110010011110011…
…100000001001100000100
312001120102201000110100101
4110302132130001030010
5141401221321143200
63012141155253444
7205132503404665
oct24623634011404
95046381013311
101428587287300
1150095130a368
121b0a52baa284
13a493b3bbca4
144d20319336c
1527262c3226a
hex14c9e701304

1428587287300 has 36 divisors (see below), whose sum is σ = 3100086488016. Its totient is φ = 571425316000.

The previous prime is 1428587287279. The next prime is 1428587287357. The reversal of 1428587287300 is 37827858241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10879839 + ... + 11010361.

It is an arithmetic number, because the mean of its divisors is an integer number (86113513556).

Almost surely, 21428587287300 is an apocalyptic number.

1428587287300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428587287300 is an abundant number, since it is smaller than the sum of its proper divisors (1671499200716).

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

1428587287300 is a wasteful number, since it uses less digits than its factorization.

1428587287300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239988 (or 239981 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 55.

The spelling of 1428587287300 in words is "one trillion, four hundred twenty-eight billion, five hundred eighty-seven million, two hundred eighty-seven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 109451 130523 218902 261046 437804 522092 547255 652615 1094510 1305230 2189020 2610460 2736275 3263075 5472550 6526150 10945100 13052300 14285872873 28571745746 57143491492 71429364365 142858728730 285717457460 357146821825 714293643650 1428587287300