Search a number
-
+
2857109484432 = 243729611287167
BaseRepresentation
bin101001100100111000111…
…111101111001110010000
3101010010200212112222202210
4221210320333233032100
5333302330012000212
610024312111512120
7413263556625510
oct51447077571620
911103625488683
102857109484432
11a017699014a5
123a1888228640
1317956916b188
149c3db841840
154e4beda853c
hex29938fef390

2857109484432 has 80 divisors (see below), whose sum is σ = 8435589865472. Its totient is φ = 816286584960.

The previous prime is 2857109484409. The next prime is 2857109484433. The reversal of 2857109484432 is 2344849017582.

It is not an unprimeable number, because it can be changed into a prime (2857109484433) 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 15 ways as a sum of consecutive naturals, for example, 9805713 + ... + 10092879.

Almost surely, 22857109484432 is an apocalyptic number.

It is an amenable number.

2857109484432 is an abundant number, since it is smaller than the sum of its proper divisors (5578480381040).

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

2857109484432 is a wasteful number, since it uses less digits than its factorization.

2857109484432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316796 (or 316790 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 2857109484432 in words is "two trillion, eight hundred fifty-seven billion, one hundred nine million, four hundred eighty-four thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 29611 59222 88833 118444 177666 207277 236888 287167 355332 414554 473776 574334 621831 710664 829108 861501 1148668 1243662 1421328 1658216 1723002 2010169 2297336 2487324 3316432 3446004 4020338 4594672 4974648 6030507 6892008 8040676 9949296 12061014 13784016 16081352 24122028 32162704 48244056 96488112 8503302037 17006604074 25509906111 34013208148 51019812222 59523114259 68026416296 102039624444 119046228518 136052832592 178569342777 204079248888 238092457036 357138685554 408158497776 476184914072 714277371108 952369828144 1428554742216 2857109484432