Base | Representation |
---|---|
bin | 100011110001001101… |
… | …1110010101110000001 |
3 | 21100021020221000210211 |
4 | 1013202123302232001 |
5 | 2224303211133411 |
6 | 55142041154121 |
7 | 5356335650455 |
oct | 1074233625601 |
9 | 240236830724 |
10 | 76813380481 |
11 | 2a638172732 |
12 | 12a7878b941 |
13 | 7321b9c736 |
14 | 3a09874665 |
15 | 1ee8865221 |
hex | 11e26f2b81 |
76813380481 has 8 divisors (see below), whose sum is σ = 80922653280. Its totient is φ = 72710754048.
The previous prime is 76813380353. The next prime is 76813380487. The reversal of 76813380481 is 18408331867.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 76813380481 - 27 = 76813380353 is a prime.
It is a super-2 number, since 2×768133804812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (76813380487) 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, 1637851 + ... + 1684096.
It is an arithmetic number, because the mean of its divisors is an integer number (10115331660).
Almost surely, 276813380481 is an apocalyptic number.
It is an amenable number.
76813380481 is a deficient number, since it is larger than the sum of its proper divisors (4109272799).
76813380481 is a wasteful number, since it uses less digits than its factorization.
76813380481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3323183.
The product of its (nonzero) digits is 774144, while the sum is 49.
The spelling of 76813380481 in words is "seventy-six billion, eight hundred thirteen million, three hundred eighty thousand, four hundred eighty-one".
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