Base | Representation |
---|---|
bin | 10100000000010000001… |
… | …11101101111000000001 |
3 | 2102201010021112220220001 |
4 | 22000020013231320001 |
5 | 42230123214224001 |
6 | 1243431104520001 |
7 | 100441463112541 |
oct | 12001007557001 |
9 | 2381107486801 |
10 | 687331008001 |
11 | 24554a487480 |
12 | b1261920001 |
13 | 4ca79831a81 |
14 | 253a4901321 |
15 | 12d2bc3c001 |
hex | a0081ede01 |
687331008001 has 8 divisors (see below), whose sum is σ = 749866888224. Its totient is φ = 624803668320.
The previous prime is 687331007939. The next prime is 687331008017. The reversal of 687331008001 is 100800133786.
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 687331008001 - 217 = 687330876929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (687331008901) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966276 + ... + 2289301.
It is an arithmetic number, because the mean of its divisors is an integer number (93733361028).
Almost surely, 2687331008001 is an apocalyptic number.
It is an amenable number.
687331008001 is a deficient number, since it is larger than the sum of its proper divisors (62535880223).
687331008001 is a wasteful number, since it uses less digits than its factorization.
687331008001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4270271.
The product of its (nonzero) digits is 24192, while the sum is 37.
The spelling of 687331008001 in words is "six hundred eighty-seven billion, three hundred thirty-one million, eight thousand, one".
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