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43242110431 = 13191673173307
BaseRepresentation
bin101000010001011011…
…100011110111011111
311010121121122210220121
4220101123203313133
51202024440013211
631510512255411
73060402605542
oct502133436737
9133547583817
1043242110431
1117380053653
128469841567
1341019763c0
142142dd8859
1511d1452271
hexa116e3ddf

43242110431 has 32 divisors (see below), whose sum is σ = 49483445760. Its totient is φ = 37458619776.

The previous prime is 43242110383. The next prime is 43242110437. The reversal of 43242110431 is 13401124234.

It is not a de Polignac number, because 43242110431 - 211 = 43242108383 is a prime.

It is a super-2 number, since 2×432421104312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43242110396 and 43242110405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43242110437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13074280 + ... + 13077586.

It is an arithmetic number, because the mean of its divisors is an integer number (1546357680).

Almost surely, 243242110431 is an apocalyptic number.

43242110431 is a deficient number, since it is larger than the sum of its proper divisors (6241335329).

43242110431 is a wasteful number, since it uses less digits than its factorization.

43242110431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 43242110431 its reverse (13401124234), we get a palindrome (56643234665).

The spelling of 43242110431 in words is "forty-three billion, two hundred forty-two million, one hundred ten thousand, four hundred thirty-one".

Divisors: 1 13 19 167 247 317 2171 3173 3307 4121 6023 41249 42991 52939 62833 78299 552269 688207 816829 1005841 1048319 7179497 10493111 13075933 13628147 19918061 136410443 175069273 258934793 2275900549 3326316187 43242110431