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3981412737 = 33761193771
BaseRepresentation
bin1110110101001111…
…1000100110000001
3101021110201201112000
43231103320212001
531123220201422
61455023254213
7200443310211
oct35523704601
911243651460
103981412737
111763449355
1293144a369
134b5b14333
1429aab6241
15184802cac
hexed4f8981

3981412737 has 16 divisors (see below), whose sum is σ = 5906170560. Its totient is φ = 2650773600.

The previous prime is 3981412711. The next prime is 3981412751. The reversal of 3981412737 is 7372141893.

3981412737 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3981412737 - 27 = 3981412609 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3981412692 and 3981412701.

It is not an unprimeable number, because it can be changed into a prime (3981412777) 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, 76339 + ... + 117432.

It is an arithmetic number, because the mean of its divisors is an integer number (369135660).

Almost surely, 23981412737 is an apocalyptic number.

It is an amenable number.

3981412737 is a deficient number, since it is larger than the sum of its proper divisors (1924757823).

3981412737 is a wasteful number, since it uses less digits than its factorization.

3981412737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194541 (or 194535 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 3981412737 is about 63098.4368823824. The cubic root of 3981412737 is about 1584.9384468595.

The spelling of 3981412737 in words is "three billion, nine hundred eighty-one million, four hundred twelve thousand, seven hundred thirty-seven".

Divisors: 1 3 9 27 761 2283 6849 20547 193771 581313 1743939 5231817 147459731 442379193 1327137579 3981412737