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43215428678 = 230467709217
BaseRepresentation
bin101000001111110101…
…110001110001000110
311010112202110020102112
4220033311301301012
51202001122204203
631504120341022
73056630040302
oct501765616106
9133482406375
1043215428678
1117366a8a214
128460914772
1340c9293896
14213d650d02
1511cde316d8
hexa0fd71c46

43215428678 has 8 divisors (see below), whose sum is σ = 64825362072. Its totient is φ = 21606974656.

The previous prime is 43215428657. The next prime is 43215428681. The reversal of 43215428678 is 87682451234.

43215428678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 293675 + ... + 415542.

It is an arithmetic number, because the mean of its divisors is an integer number (8103170259).

Almost surely, 243215428678 is an apocalyptic number.

43215428678 is a deficient number, since it is larger than the sum of its proper divisors (21609933394).

43215428678 is a wasteful number, since it uses less digits than its factorization.

43215428678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739686.

The product of its digits is 2580480, while the sum is 50.

The spelling of 43215428678 in words is "forty-three billion, two hundred fifteen million, four hundred twenty-eight thousand, six hundred seventy-eight".

Divisors: 1 2 30467 60934 709217 1418434 21607714339 43215428678