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3728018912 = 25296939239
BaseRepresentation
bin1101111000110101…
…0000110111100000
3100121210220222112112
43132031100313200
530113333101122
61413532214452
7161245431542
oct33615206740
910553828475
103728018912
111643407872
1288060a428
13475483c67
14275195692
1516c44d2e2
hexde350de0

3728018912 has 24 divisors (see below), whose sum is σ = 7342196400. Its totient is φ = 1863334144.

The previous prime is 3728018911. The next prime is 3728018971. The reversal of 3728018912 is 2198108273.

3728018912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3728018912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728018911) 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, 75389 + ... + 114627.

It is an arithmetic number, because the mean of its divisors is an integer number (305924850).

Almost surely, 23728018912 is an apocalyptic number.

3728018912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3728018912 is a deficient number, since it is larger than the sum of its proper divisors (3614177488).

3728018912 is a wasteful number, since it uses less digits than its factorization.

3728018912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42218 (or 42210 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 3728018912 is about 61057.5049604879. The cubic root of 3728018912 is about 1550.5747312994.

The spelling of 3728018912 in words is "three billion, seven hundred twenty-eight million, eighteen thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 2969 5938 11876 23752 39239 47504 78478 95008 156956 313912 627824 1255648 116500591 233001182 466002364 932004728 1864009456 3728018912