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12958079776 = 25646962597
BaseRepresentation
bin11000001000101110…
…01001101100100000
31020110001220122201121
430010113021230200
5203014232023101
65541452342024
7636053601145
oct140427115440
936401818647
1012958079776
11554a553144
122617774914
1312b67b5135
148acd763cc
1550c9210a1
hex3045c9b20

12958079776 has 24 divisors (see below), whose sum is σ = 25515570780. Its totient is φ = 6477934848.

The previous prime is 12958079759. The next prime is 12958079777. The reversal of 12958079776 is 67797085921.

It can be written as a sum of positive squares in 2 ways, for example, as 12516239376 + 441840400 = 111876^2 + 21020^2 .

It is not an unprimeable number, because it can be changed into a prime (12958079777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175710 + ... + 238306.

Almost surely, 212958079776 is an apocalyptic number.

12958079776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12958079776 is a deficient number, since it is larger than the sum of its proper divisors (12557491004).

12958079776 is an equidigital number, since it uses as much as digits as its factorization.

12958079776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69076 (or 69068 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 61.

The spelling of 12958079776 in words is "twelve billion, nine hundred fifty-eight million, seventy-nine thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 16 32 6469 12938 25876 51752 62597 103504 125194 207008 250388 500776 1001552 2003104 404939993 809879986 1619759972 3239519944 6479039888 12958079776