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431243400234 = 2371873900039
BaseRepresentation
bin1100100011010000001…
…11000001010000101010
31112020010002112112211110
412101220013001100222
524031141302301414
6530035510411150
743104420264303
oct6215007012052
91466102475743
10431243400234
11156986725429
126b6b2660ab6
13318874b200a
1416c2d7d77aa
15b33e782459
hex64681c142a

431243400234 has 8 divisors (see below), whose sum is σ = 862486800480. Its totient is φ = 143747800076.

The previous prime is 431243400227. The next prime is 431243400241. The reversal of 431243400234 is 432004342134.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (431243400227) and next prime (431243400241).

It is a sphenic number, since it is the product of 3 distinct primes.

431243400234 is an admirable number.

It is a super-2 number, since 2×4312434002342 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35936950014 + ... + 35936950025.

It is an arithmetic number, because the mean of its divisors is an integer number (107810850060).

Almost surely, 2431243400234 is an apocalyptic number.

431243400234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

431243400234 is a wasteful number, since it uses less digits than its factorization.

431243400234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71873900044.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 431243400234 its reverse (432004342134), we get a palindrome (863247742368).

The spelling of 431243400234 in words is "four hundred thirty-one billion, two hundred forty-three million, four hundred thousand, two hundred thirty-four".

Divisors: 1 2 3 6 71873900039 143747800078 215621700117 431243400234