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76422527989 = 221713446959
BaseRepresentation
bin100011100101100100…
…0110011101111110101
321022021000110122222121
41013023020303233311
52223003131343424
655035155555541
75343551525023
oct1071310635765
9238230418877
1076422527989
112a457585445
12129898bbbb1
13728bc11982
1439ad9b1713
151ec43abee4
hex11cb233bf5

76422527989 has 4 divisors (see below), whose sum is σ = 76425997120. Its totient is φ = 76419058860.

The previous prime is 76422527981. The next prime is 76422528011. The reversal of 76422527989 is 98972522467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76422527989 - 23 = 76422527981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76422527981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701309 + ... + 1745650.

It is an arithmetic number, because the mean of its divisors is an integer number (19106499280).

Almost surely, 276422527989 is an apocalyptic number.

It is an amenable number.

76422527989 is a deficient number, since it is larger than the sum of its proper divisors (3469131).

76422527989 is a wasteful number, since it uses less digits than its factorization.

76422527989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469130.

The product of its digits is 30481920, while the sum is 61.

The spelling of 76422527989 in words is "seventy-six billion, four hundred twenty-two million, five hundred twenty-seven thousand, nine hundred eighty-nine".

Divisors: 1 22171 3446959 76422527989