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3689396893 = 713311307833
BaseRepresentation
bin1101101111100111…
…1011101010011101
3100112010020210002101
43123321323222131
530023441200033
61410032325101
7160266233110
oct33371735235
910463223071
103689396893
111623628546
1286b6a3791
1346a4806b0
1426ddc0577
15168d6e97d
hexdbe7ba9d

3689396893 has 16 divisors (see below), whose sum is σ = 4687277056. Its totient is φ = 2824917120.

The previous prime is 3689396869. The next prime is 3689396951. The reversal of 3689396893 is 3986939863.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3689396893 is a prime.

It is a super-2 number, since 2×36893968932 = 27223298868156106898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689396813) 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, 651096 + ... + 656737.

It is an arithmetic number, because the mean of its divisors is an integer number (292954816).

Almost surely, 23689396893 is an apocalyptic number.

It is an amenable number.

3689396893 is a deficient number, since it is larger than the sum of its proper divisors (997880163).

3689396893 is a wasteful number, since it uses less digits than its factorization.

3689396893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307884.

The product of its digits is 45349632, while the sum is 64.

The square root of 3689396893 is about 60740.4057691418. The cubic root of 3689396893 is about 1545.2015171979.

The spelling of 3689396893 in words is "three billion, six hundred eighty-nine million, three hundred ninety-six thousand, eight hundred ninety-three".

Divisors: 1 7 13 31 91 217 403 2821 1307833 9154831 17001829 40542823 119012803 283799761 527056699 3689396893