Base | Representation |
---|---|
bin | 100000000001010000… |
… | …0001100001001101001 |
3 | 20120111002211120111021 |
4 | 1000002200030021221 |
5 | 2111310414011140 |
6 | 51331044532441 |
7 | 4652654563456 |
oct | 1000240141151 |
9 | 216432746437 |
10 | 68761469545 |
11 | 2718606988a |
12 | 113b00b1121 |
13 | 663a9824b2 |
14 | 348433682d |
15 | 1bc6a13b4a |
hex | 100280c269 |
68761469545 has 8 divisors (see below), whose sum is σ = 82515960000. Its totient is φ = 55007711280.
The previous prime is 68761469527. The next prime is 68761469573. The reversal of 68761469545 is 54596416786.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68761469545 - 211 = 68761467497 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50700 + ... + 374290.
It is an arithmetic number, because the mean of its divisors is an integer number (10314495000).
Almost surely, 268761469545 is an apocalyptic number.
It is an amenable number.
68761469545 is a deficient number, since it is larger than the sum of its proper divisors (13754490455).
68761469545 is a wasteful number, since it uses less digits than its factorization.
68761469545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 366095.
The product of its digits is 43545600, while the sum is 61.
The spelling of 68761469545 in words is "sixty-eight billion, seven hundred sixty-one million, four hundred sixty-nine thousand, five hundred forty-five".
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