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43212030412 = 2216979636257
BaseRepresentation
bin101000001111101000…
…110100000111001100
311010112112001120212211
4220033220310013030
51201444234433122
631503515440204
73056556124645
oct501750640714
9133475046784
1043212030412
1117365079031
12845b756064
1340c8673b85
14213d0086cc
1511cd9ae877
hexa0fa341cc

43212030412 has 12 divisors (see below), whose sum is σ = 75625625880. Its totient is φ = 21604708736.

The previous prime is 43212030373. The next prime is 43212030419. The reversal of 43212030412 is 21403021234.

It is a super-2 number, since 2×432120304122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43212030419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250213 + ... + 386044.

It is an arithmetic number, because the mean of its divisors is an integer number (6302135490).

Almost surely, 243212030412 is an apocalyptic number.

It is an amenable number.

43212030412 is a deficient number, since it is larger than the sum of its proper divisors (32413595468).

43212030412 is a wasteful number, since it uses less digits than its factorization.

43212030412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653240 (or 653238 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 43212030412 its reverse (21403021234), we get a palindrome (64615051646).

The spelling of 43212030412 in words is "forty-three billion, two hundred twelve million, thirty thousand, four hundred twelve".

Divisors: 1 2 4 16979 33958 67916 636257 1272514 2545028 10803007603 21606015206 43212030412