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2122434430 = 25268778989
BaseRepresentation
bin111111010000001…
…1100011101111110
312110220201211200121
41332200130131332
513321320400210
6550335045154
7103411252324
oct17640343576
95426654617
102122434430
1199a071446
124b29707ba
1327a94437c
14161c49d14
15c64e96da
hex7e81c77e

2122434430 has 16 divisors (see below), whose sum is σ = 3821852160. Its totient is φ = 848647072.

The previous prime is 2122434401. The next prime is 2122434439. The reversal of 2122434430 is 344342212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2122434395 and 2122434404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122434439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12625 + ... + 66364.

It is an arithmetic number, because the mean of its divisors is an integer number (238865760).

Almost surely, 22122434430 is an apocalyptic number.

2122434430 is a deficient number, since it is larger than the sum of its proper divisors (1699417730).

2122434430 is a wasteful number, since it uses less digits than its factorization.

2122434430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81683.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2122434430 is about 46069.8863684294. The cubic root of 2122434430 is about 1285.1231906604.

Adding to 2122434430 its reverse (344342212), we get a palindrome (2466776642).

The spelling of 2122434430 in words is "two billion, one hundred twenty-two million, four hundred thirty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 2687 5374 13435 26870 78989 157978 394945 789890 212243443 424486886 1061217215 2122434430