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4940393865 = 351129941781
BaseRepresentation
bin1001001100111100…
…00110110110001001
3110202022020000022120
410212132012312021
540104220100430
62134121441453
7233266440441
oct44636066611
913668200276
104940393865
1121057a6040
12b5a640289
136096bbca4
1434c1c7121
151ddad0610
hex126786d89

4940393865 has 16 divisors (see below), whose sum is σ = 8623233216. Its totient is φ = 2395342400.

The previous prime is 4940393863. The next prime is 4940393869. The reversal of 4940393865 is 5683930494.

It is not a de Polignac number, because 4940393865 - 21 = 4940393863 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4940393863) 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, 14970726 + ... + 14971055.

It is an arithmetic number, because the mean of its divisors is an integer number (538952076).

Almost surely, 24940393865 is an apocalyptic number.

It is an amenable number.

4940393865 is a deficient number, since it is larger than the sum of its proper divisors (3682839351).

4940393865 is a wasteful number, since it uses less digits than its factorization.

4940393865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29941800.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The square root of 4940393865 is about 70287.9354156885. The cubic root of 4940393865 is about 1703.1537610114.

The spelling of 4940393865 in words is "four billion, nine hundred forty million, three hundred ninety-three thousand, eight hundred sixty-five".

Divisors: 1 3 5 11 15 33 55 165 29941781 89825343 149708905 329359591 449126715 988078773 1646797955 4940393865