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3906386068 = 221375122809
BaseRepresentation
bin1110100011010110…
…1011100010010100
3101002020112222021111
43220311223202110
531000013323233
61443343224404
7165542506444
oct35065534224
911066488244
103906386068
111725064742
129102a8104
134a3405860
14290b46124
1517ce32acd
hexe8d6b894

3906386068 has 12 divisors (see below), whose sum is σ = 7362035380. Its totient is φ = 1802947392.

The previous prime is 3906386063. The next prime is 3906386179. The reversal of 3906386068 is 8606836093.

3906386068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2123182084 + 1783203984 = 46078^2 + 42228^2 .

It is a super-2 number, since 2×39063860682 = 30519704224529001248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906386063) 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, 37561353 + ... + 37561456.

Almost surely, 23906386068 is an apocalyptic number.

It is an amenable number.

3906386068 is a deficient number, since it is larger than the sum of its proper divisors (3455649312).

3906386068 is a wasteful number, since it uses less digits than its factorization.

3906386068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75122826 (or 75122824 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 3906386068 is about 62501.0885345207. The cubic root of 3906386068 is about 1574.9195985496.

The spelling of 3906386068 in words is "three billion, nine hundred six million, three hundred eighty-six thousand, sixty-eight".

Divisors: 1 2 4 13 26 52 75122809 150245618 300491236 976596517 1953193034 3906386068