Search a number
-
+
76868434971 = 332846979073
BaseRepresentation
bin100011110010110110…
…1110011110000011011
321100102002112002101000
41013211231303300123
52224411304404341
655151325200043
75360604626256
oct1074555636033
9240362462330
1076868434971
112a666255a09
1212a93100023
137330407663
143a12cc609d
151eed5dc8b6
hex11e5b73c1b

76868434971 has 8 divisors (see below), whose sum is σ = 113879162960. Its totient is φ = 51245623296.

The previous prime is 76868434967. The next prime is 76868434997. The reversal of 76868434971 is 17943486867.

76868434971 is a `hidden beast` number, since 7 + 68 + 6 + 84 + 3 + 497 + 1 = 666.

It is not a de Polignac number, because 76868434971 - 22 = 76868434967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76868434899 and 76868434908.

It is not an unprimeable number, because it can be changed into a prime (76868434171) 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, 1423489510 + ... + 1423489563.

It is an arithmetic number, because the mean of its divisors is an integer number (14234895370).

Almost surely, 276868434971 is an apocalyptic number.

76868434971 is a deficient number, since it is larger than the sum of its proper divisors (37010727989).

76868434971 is a wasteful number, since it uses less digits than its factorization.

76868434971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846979082 (or 2846979076 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 76868434971 in words is "seventy-six billion, eight hundred sixty-eight million, four hundred thirty-four thousand, nine hundred seventy-one".

Divisors: 1 3 9 27 2846979073 8540937219 25622811657 76868434971