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431423124212 = 2217223154918367
BaseRepresentation
bin1100100011100101101…
…00100111001011110100
31112020120121201110210002
412101302310213023310
524032023304433322
6530105410450432
743112032023023
oct6216264471364
91466517643702
10431423124212
11156a69119743
126b742893a18
13318b57ba372
1416c4961c8ba
15b350433c92
hex6472d272f4

431423124212 has 48 divisors (see below), whose sum is σ = 803548569600. Its totient is φ = 201970755072.

The previous prime is 431423124211. The next prime is 431423124277. The reversal of 431423124212 is 212421324134.

It is a super-2 number, since 2×4314231242122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431423124211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23479853 + ... + 23498219.

It is an arithmetic number, because the mean of its divisors is an integer number (16740595200).

Almost surely, 2431423124212 is an apocalyptic number.

It is an amenable number.

431423124212 is a deficient number, since it is larger than the sum of its proper divisors (372125445388).

431423124212 is a wasteful number, since it uses less digits than its factorization.

431423124212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20160 (or 20158 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 431423124212 its reverse (212421324134), we get a palindrome (643844448346).

The spelling of 431423124212 in words is "four hundred thirty-one billion, four hundred twenty-three million, one hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 223 446 892 1549 3098 3791 6196 7582 15164 18367 26333 36734 52666 73468 105332 312239 345427 624478 690854 1248956 1381708 4095841 5872259 8191682 11744518 16383364 23489036 28450483 56900966 69629297 113801932 139258594 278517188 483658211 967316422 1934632844 6344457709 12688915418 25377830836 107855781053 215711562106 431423124212