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77323481041 = 2780712
BaseRepresentation
bin100100000000011010…
…1101010111111010001
321101120210202211020011
41020000311222333101
52231324302343131
655304422314521
75405101513222
oct1100065527721
9241523684204
1077323481041
112a87a0a8844
1212b9b588a41
1373a37800a1
143a574d9249
1520285260b1
hex1200d6afd1

77323481041 has 3 divisors (see below), whose sum is σ = 77323759113. Its totient is φ = 77323202970.

The previous prime is 77323481029. The next prime is 77323481047. The reversal of 77323481041 is 14018432377.

The square root of 77323481041 is 278071.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 77323481041 - 29 = 77323480529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77323480985 and 77323481003.

It is not an unprimeable number, because it can be changed into a prime (77323481047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 139036 + ... + 417106.

It is an arithmetic number, because the mean of its divisors is an integer number (25774586371).

Almost surely, 277323481041 is an apocalyptic number.

77323481041 is the 278071-st square number.

77323481041 is the 139036-th centered octagonal number.

It is an amenable number.

77323481041 is a deficient number, since it is larger than the sum of its proper divisors (278072).

77323481041 is an frugal number, since it uses more digits than its factorization.

77323481041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556142 (or 278071 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 77323481041 in words is "seventy-seven billion, three hundred twenty-three million, four hundred eighty-one thousand, forty-one".

Divisors: 1 278071 77323481041