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2131424302240 = 25513321401889
BaseRepresentation
bin11111000001000010110…
…010011101010010100000
321112202120121212010221201
4133001002302131102200
5234410124110132430
64311055055530544
7306663452433052
oct37010262352240
97482517763851
102131424302240
11751a284a8302
122a5101829a54
13125cb954609c
14752391958d2
153a69add68ca
hex1f042c9d4a0

2131424302240 has 24 divisors (see below), whose sum is σ = 5035489914420. Its totient is φ = 852569720832.

The previous prime is 2131424302237. The next prime is 2131424302289. The reversal of 2131424302240 is 422034241312.

It can be written as a sum of positive squares in 2 ways, for example, as 2072528778384 + 58895523856 = 1439628^2 + 242684^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2131424302199 and 2131424302208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6660700785 + ... + 6660701104.

Almost surely, 22131424302240 is an apocalyptic number.

2131424302240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131424302240 is an abundant number, since it is smaller than the sum of its proper divisors (2904065612180).

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

2131424302240 is a wasteful number, since it uses less digits than its factorization.

2131424302240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13321401904 (or 13321401896 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2131424302240 its reverse (422034241312), we get a palindrome (2553458543552).

The spelling of 2131424302240 in words is "two trillion, one hundred thirty-one billion, four hundred twenty-four million, three hundred two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 13321401889 26642803778 53285607556 66607009445 106571215112 133214018890 213142430224 266428037780 426284860448 532856075560 1065712151120 2131424302240