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4123843212 = 2231731986437
BaseRepresentation
bin1111010111001100…
…1101101010001100
3101122101201221101210
43311303031222030
531421200440322
61521112134420
7204123042336
oct36563155214
911571657353
104123843212
111826890495
12971097410
13509492a18
142b1990456
1519208970c
hexf5ccda8c

4123843212 has 24 divisors (see below), whose sum is σ = 9677925936. Its totient is φ = 1366667968.

The previous prime is 4123843211. The next prime is 4123843247. The reversal of 4123843212 is 2123483214.

It is a self number, because there is not a number n which added to its sum of digits gives 4123843212.

It is not an unprimeable number, because it can be changed into a prime (4123843211) 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, 991143 + ... + 995294.

It is an arithmetic number, because the mean of its divisors is an integer number (403246914).

Almost surely, 24123843212 is an apocalyptic number.

It is an amenable number.

4123843212 is an abundant number, since it is smaller than the sum of its proper divisors (5554082724).

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

4123843212 is a wasteful number, since it uses less digits than its factorization.

4123843212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986617 (or 1986615 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 4123843212 is about 64217.1566795043. The cubic root of 4123843212 is about 1603.6172343264.

The spelling of 4123843212 in words is "four billion, one hundred twenty-three million, eight hundred forty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 2076 1986437 3972874 5959311 7945748 11918622 23837244 343653601 687307202 1030960803 1374614404 2061921606 4123843212