Base | Representation |
---|---|
bin | 100100111101101010… |
… | …001110011110000000 |
3 | 10210110000012111200110 |
4 | 210331222032132000 |
5 | 1122240412411102 |
6 | 30122152551320 |
7 | 2603351336031 |
oct | 447552163600 |
9 | 123400174613 |
10 | 39689185152 |
11 | 15917568271 |
12 | 78379b2540 |
13 | 3986869056 |
14 | 1cc71c0a88 |
15 | 107458d86c |
hex | 93da8e780 |
39689185152 has 32 divisors (see below), whose sum is σ = 105424399080. Its totient is φ = 13229728256.
The previous prime is 39689185141. The next prime is 39689185153. The reversal of 39689185152 is 25158198693.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 39689185092 and 39689185101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39689185153) 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 3 ways as a sum of consecutive naturals, for example, 51678243 + ... + 51679010.
Almost surely, 239689185152 is an apocalyptic number.
39689185152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
39689185152 is an abundant number, since it is smaller than the sum of its proper divisors (65735213928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39689185152 is a wasteful number, since it uses less digits than its factorization.
39689185152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103357270 (or 103357258 counting only the distinct ones).
The product of its digits is 4665600, while the sum is 57.
The spelling of 39689185152 in words is "thirty-nine billion, six hundred eighty-nine million, one hundred eighty-five thousand, one hundred fifty-two".
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