Base | Representation |
---|---|
bin | 10011110011001101101… |
… | …11101111011010010111 |
3 | 2102001001102021111022010 |
4 | 21321212313233122113 |
5 | 42121304131032134 |
6 | 1240312320235303 |
7 | 100103141466363 |
oct | 11714667573227 |
9 | 2361042244263 |
10 | 680330720919 |
11 | 242587a57153 |
12 | aba2946bb33 |
13 | 4c202458275 |
14 | 24cdcd0c2a3 |
15 | 12a6c3b7ce9 |
hex | 9e66def697 |
680330720919 has 8 divisors (see below), whose sum is σ = 907162329472. Its totient is φ = 453526463160.
The previous prime is 680330720869. The next prime is 680330720947. The reversal of 680330720919 is 919027033086.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 680330720919 - 217 = 680330589847 is a prime.
It is a super-2 number, since 2×6803307209192 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680230720919) 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, 6779587 + ... + 6879204.
It is an arithmetic number, because the mean of its divisors is an integer number (113395291184).
Almost surely, 2680330720919 is an apocalyptic number.
680330720919 is a deficient number, since it is larger than the sum of its proper divisors (226831608553).
680330720919 is a wasteful number, since it uses less digits than its factorization.
680330720919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13675397.
The product of its (nonzero) digits is 489888, while the sum is 48.
The spelling of 680330720919 in words is "six hundred eighty billion, three hundred thirty million, seven hundred twenty thousand, nine hundred nineteen".
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