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18528001048 = 2356919732063
BaseRepresentation
bin10001010000010110…
…101101110000011000
31202211020200222022001
4101100112231300120
5300421132013143
612302303210344
71224066260524
oct212026556030
952736628261
1018528001048
117948634467
123710ba69b4
13199373a83b
14c7a9d0d84
1573690314d
hex4505adc18

18528001048 has 32 divisors (see below), whose sum is σ = 34835572800. Its totient is φ = 9238551808.

The previous prime is 18528001033. The next prime is 18528001073. The reversal of 18528001048 is 84010082581.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18528000998 and 18528001016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8980065 + ... + 8982127.

It is an arithmetic number, because the mean of its divisors is an integer number (1088611650).

Almost surely, 218528001048 is an apocalyptic number.

It is an amenable number.

18528001048 is a deficient number, since it is larger than the sum of its proper divisors (16307571752).

18528001048 is a wasteful number, since it uses less digits than its factorization.

18528001048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611 (or 4607 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 37.

The spelling of 18528001048 in words is "eighteen billion, five hundred twenty-eight million, one thousand, forty-eight".

Divisors: 1 2 4 8 569 1138 1973 2063 2276 3946 4126 4552 7892 8252 15784 16504 1122637 1173847 2245274 2347694 4070299 4490548 4695388 8140598 8981096 9390776 16281196 32562392 2316000131 4632000262 9264000524 18528001048