Search a number
-
+
421100240213140 = 225209459100520923
BaseRepresentation
bin101111110111111010000101…
…0001110111001010010010100
32001012222210022202210111000021
41133233310022032321102110
5420143301242443310030
64051334440231154524
7154461326340322525
oct13757641216712224
92035883282714007
10421100240213140
111121a26775a3384
123b29006a515a44
13150c77753038b7
1475db508c1c84c
1533a3bb4ab497a
hex17efd0a3b9494

421100240213140 has 24 divisors (see below), whose sum is σ = 884314735123680. Its totient is φ = 168439290242208.

The previous prime is 421100240213131. The next prime is 421100240213231. The reversal of 421100240213140 is 41312042001124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46071282 + ... + 54449641.

It is an arithmetic number, because the mean of its divisors is an integer number (36846447296820).

Almost surely, 2421100240213140 is an apocalyptic number.

It is an amenable number.

421100240213140 is an abundant number, since it is smaller than the sum of its proper divisors (463214494910540).

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

421100240213140 is a wasteful number, since it uses less digits than its factorization.

421100240213140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100730391 (or 100730389 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 421100240213140 its reverse (41312042001124), we get a palindrome (462412282214264).

The spelling of 421100240213140 in words is "four hundred twenty-one trillion, one hundred billion, two hundred forty million, two hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 209459 418918 837836 1047295 2094590 4189180 100520923 201041846 402083692 502604615 1005209230 2010418460 21055012010657 42110024021314 84220048042628 105275060053285 210550120106570 421100240213140