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12948451777 = 41943133487
BaseRepresentation
bin11000000111100100…
…11011000111000001
31020102101210111121001
430003302123013001
5203004300424102
65540510132001
7635606011162
oct140362330701
936371714531
1012948451777
115545077518
1226144b1001
1312b47c39b1
148ab98b769
1550bb6d487
hex303c9b1c1

12948451777 has 8 divisors (see below), whose sum is σ = 13266070272. Its totient is φ = 12630919200.

The previous prime is 12948451771. The next prime is 12948451799. The reversal of 12948451777 is 77715484921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12948451777 - 211 = 12948449729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12948451771) 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, 369928 + ... + 403414.

It is an arithmetic number, because the mean of its divisors is an integer number (1658258784).

Almost surely, 212948451777 is an apocalyptic number.

It is an amenable number.

12948451777 is a deficient number, since it is larger than the sum of its proper divisors (317618495).

12948451777 is an equidigital number, since it uses as much as digits as its factorization.

12948451777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42959.

The product of its digits is 3951360, while the sum is 55.

The spelling of 12948451777 in words is "twelve billion, nine hundred forty-eight million, four hundred fifty-one thousand, seven hundred seventy-seven".

Divisors: 1 41 9431 33487 386671 1372967 315815897 12948451777