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3903768912 = 24381328519
BaseRepresentation
bin1110100010101110…
…1100100101010000
3101002001122000012210
43220223230211100
530443331101122
61443211152120
7165511326321
oct35053544520
911061560183
103903768912
1117236373aa
1290b445640
134a29ca544
14290664448
1517cab740c
hexe8aec950

3903768912 has 20 divisors (see below), whose sum is σ = 10084736480. Its totient is φ = 1301256288.

The previous prime is 3903768893. The next prime is 3903768919. The reversal of 3903768912 is 2198673093.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 81328519 = 3903768912 / (3 + 9 + 0 + 3 + 7 + 6 + 8 + 9 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3903768919) 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, 40664212 + ... + 40664307.

It is an arithmetic number, because the mean of its divisors is an integer number (504236824).

Almost surely, 23903768912 is an apocalyptic number.

It is an amenable number.

3903768912 is an abundant number, since it is smaller than the sum of its proper divisors (6180967568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3903768912 is a wasteful number, since it uses less digits than its factorization.

3903768912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81328530 (or 81328524 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 3903768912 is about 62480.1481432303. The cubic root of 3903768912 is about 1574.5678044154.

The spelling of 3903768912 in words is "three billion, nine hundred three million, seven hundred sixty-eight thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 81328519 162657038 243985557 325314076 487971114 650628152 975942228 1301256304 1951884456 3903768912