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2421111120 = 243510087963
BaseRepresentation
bin1001000001001111…
…0011100101010000
320020201202012002020
42100103303211100
514424301023440
61040124451440
7113666051001
oct22023634520
96221665066
102421111120
11103272168a
125769a9b80
132c779aa3c
1418d7971a8
15e28463d0
hex904f3950

2421111120 has 40 divisors (see below), whose sum is σ = 7505445216. Its totient is φ = 645629568.

The previous prime is 2421111103. The next prime is 2421111163. The reversal of 2421111120 is 211111242.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2421111120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5043742 + ... + 5044221.

Almost surely, 22421111120 is an apocalyptic number.

2421111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421111120 is an abundant number, since it is smaller than the sum of its proper divisors (5084334096).

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

2421111120 is a wasteful number, since it uses less digits than its factorization.

2421111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10087979 (or 10087973 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2421111120 is about 49204.7875719426. The cubic root of 2421111120 is about 1342.7801342806.

Adding to 2421111120 its reverse (211111242), we get a palindrome (2632222362).

The spelling of 2421111120 in words is "two billion, four hundred twenty-one million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 10087963 20175926 30263889 40351852 50439815 60527778 80703704 100879630 121055556 151319445 161407408 201759260 242111112 302638890 403518520 484222224 605277780 807037040 1210555560 2421111120