Base | Representation |
---|---|
bin | 1001001001000… |
… | …00101101001111 |
3 | 12100021202012120 |
4 | 10210200231033 |
5 | 124112230030 |
6 | 11335304023 |
7 | 1620524616 |
oct | 444405517 |
9 | 170252176 |
10 | 76680015 |
11 | 3a313915 |
12 | 2181b013 |
13 | 12b6a1b9 |
14 | a28087d |
15 | 6aea010 |
hex | 4920b4f |
76680015 has 8 divisors (see below), whose sum is σ = 122688048. Its totient is φ = 40896000.
The previous prime is 76680011. The next prime is 76680041. The reversal of 76680015 is 51008667.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 76680015 - 22 = 76680011 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76680011) 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, 2555986 + ... + 2556015.
It is an arithmetic number, because the mean of its divisors is an integer number (15336006).
Almost surely, 276680015 is an apocalyptic number.
76680015 is a deficient number, since it is larger than the sum of its proper divisors (46008033).
76680015 is a wasteful number, since it uses less digits than its factorization.
76680015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5112009.
The product of its (nonzero) digits is 10080, while the sum is 33.
The square root of 76680015 is about 8756.7125680817. The cubic root of 76680015 is about 424.8419527674.
The spelling of 76680015 in words is "seventy-six million, six hundred eighty thousand, fifteen".
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