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3981037112 = 2313311234813
BaseRepresentation
bin1110110101001001…
…1100111000111000
3101021110000122020222
43231102130320320
531123121141422
61455011235212
7200440154123
oct35522347070
911243018228
103981037112
111763212118
129312a8b08
134b5a12380
1429aa193ba
1518477b842
hexed49ce38

3981037112 has 32 divisors (see below), whose sum is σ = 8297950080. Its totient is φ = 1778129280.

The previous prime is 3981037103. The next prime is 3981037129. The reversal of 3981037112 is 2117301893.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614183 + ... + 620630.

It is an arithmetic number, because the mean of its divisors is an integer number (259310940).

Almost surely, 23981037112 is an apocalyptic number.

It is an amenable number.

3981037112 is an abundant number, since it is smaller than the sum of its proper divisors (4316912968).

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

3981037112 is a wasteful number, since it uses less digits than its factorization.

3981037112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234863 (or 1234859 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 3981037112 is about 63095.4603121334. The cubic root of 3981037112 is about 1584.8886018030. Note that the first 3 decimals are identical.

The spelling of 3981037112 in words is "three billion, nine hundred eighty-one million, thirty-seven thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 806 1612 3224 1234813 2469626 4939252 9878504 16052569 32105138 38279203 64210276 76558406 128420552 153116812 306233624 497629639 995259278 1990518556 3981037112