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4223122431420 = 223570385373857
BaseRepresentation
bin111101011101000101101…
…101100101110110111100
3112221201121122220121100110
4331131011231211312330
51023142423320301140
612552024202030020
7614052624245454
oct75350555456674
915851548817313
104223122431420
11138901a574822
125825771a8310
13248314672599
1410858629cd64
1574cbe375380
hex3d745b65dbc

4223122431420 has 24 divisors (see below), whose sum is σ = 11824742808144. Its totient is φ = 1126165981696.

The previous prime is 4223122431419. The next prime is 4223122431421. The reversal of 4223122431420 is 241342213224.

It is an interprime number because it is at equal distance from previous prime (4223122431419) and next prime (4223122431421).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223122431421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35192686869 + ... + 35192686988.

It is an arithmetic number, because the mean of its divisors is an integer number (492697617006).

Almost surely, 24223122431420 is an apocalyptic number.

It is an amenable number.

4223122431420 is an abundant number, since it is smaller than the sum of its proper divisors (7601620376724).

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

4223122431420 is a wasteful number, since it uses less digits than its factorization.

4223122431420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70385373869 (or 70385373867 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 4223122431420 its reverse (241342213224), we get a palindrome (4464464644644).

The spelling of 4223122431420 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-two million, four hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 70385373857 140770747714 211156121571 281541495428 351926869285 422312243142 703853738570 844624486284 1055780607855 1407707477140 2111561215710 4223122431420