Base | Representation |
---|---|
bin | 100011100100111010… |
… | …0011110001000111011 |
3 | 21022012110212102200111 |
4 | 1013021310132020323 |
5 | 2222432001410022 |
6 | 55033050045151 |
7 | 5343162564325 |
oct | 1071164361073 |
9 | 238173772614 |
10 | 76400419387 |
11 | 2a446054976 |
12 | 129824197b7 |
13 | 7287470866 |
14 | 39aaa98615 |
15 | 1ec2491477 |
hex | 11c9d1e23b |
76400419387 has 4 divisors (see below), whose sum is σ = 76631236696. Its totient is φ = 76169602080.
The previous prime is 76400419373. The next prime is 76400419397. The reversal of 76400419387 is 78391400467.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 76400419387 - 27 = 76400419259 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 76400419387.
It is not an unprimeable number, because it can be changed into a prime (76400419397) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115408158 + ... + 115408819.
It is an arithmetic number, because the mean of its divisors is an integer number (19157809174).
Almost surely, 276400419387 is an apocalyptic number.
76400419387 is a deficient number, since it is larger than the sum of its proper divisors (230817309).
76400419387 is a wasteful number, since it uses less digits than its factorization.
76400419387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230817308.
The product of its (nonzero) digits is 1016064, while the sum is 49.
The spelling of 76400419387 in words is "seventy-six billion, four hundred million, four hundred nineteen thousand, three hundred eighty-seven".
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