Base | Representation |
---|---|
bin | 1011111101000101… |
… | …0011101000110001 |
3 | 22021122021100001101 |
4 | 2333101103220301 |
5 | 23033000011022 |
6 | 1250231404401 |
7 | 142343631541 |
oct | 27721235061 |
9 | 8248240041 |
10 | 3208985137 |
11 | 13a7430036 |
12 | 756823701 |
13 | 3c1a96497 |
14 | 226287321 |
15 | 13bac5627 |
hex | bf453a31 |
3208985137 has 8 divisors (see below), whose sum is σ = 3263841000. Its totient is φ = 3154573824.
The previous prime is 3208985023. The next prime is 3208985141. The reversal of 3208985137 is 7315898023.
It can be written as a sum of positive squares in 4 ways, for example, as 65028096 + 3143957041 = 8064^2 + 56071^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3208985137 - 27 = 3208985009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3208985177) by changing a digit.
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, 96562 + ... + 125467.
It is an arithmetic number, because the mean of its divisors is an integer number (407980125).
Almost surely, 23208985137 is an apocalyptic number.
It is an amenable number.
3208985137 is a deficient number, since it is larger than the sum of its proper divisors (54855863).
3208985137 is a wasteful number, since it uses less digits than its factorization.
3208985137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222275.
The product of its (nonzero) digits is 362880, while the sum is 46.
The square root of 3208985137 is about 56647.9049656737. The cubic root of 3208985137 is about 1474.9905408950.
The spelling of 3208985137 in words is "three billion, two hundred eight million, nine hundred eighty-five thousand, one hundred thirty-seven".
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