Base | Representation |
---|---|
bin | 10100000000110011111… |
… | …00111000110010111110 |
3 | 2102201220010110100222002 |
4 | 22000121330320302332 |
5 | 42231231310042123 |
6 | 1243520512422302 |
7 | 100452054625154 |
oct | 12003174706276 |
9 | 2381803410862 |
10 | 687630159038 |
11 | 245693331039 |
12 | b1325b47992 |
13 | 4cac67c3314 |
14 | 253d25333d4 |
15 | 12d4812e528 |
hex | a019f38cbe |
687630159038 has 32 divisors (see below), whose sum is σ = 1103785380000. Its totient is φ = 320305950720.
The previous prime is 687630159001. The next prime is 687630159059. The reversal of 687630159038 is 830951036786.
687630159038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10744478 + ... + 10808286.
It is an arithmetic number, because the mean of its divisors is an integer number (34493293125).
Almost surely, 2687630159038 is an apocalyptic number.
687630159038 is a deficient number, since it is larger than the sum of its proper divisors (416155220962).
687630159038 is a wasteful number, since it uses less digits than its factorization.
687630159038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68540.
The product of its (nonzero) digits is 6531840, while the sum is 56.
The spelling of 687630159038 in words is "six hundred eighty-seven billion, six hundred thirty million, one hundred fifty-nine thousand, thirty-eight".
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