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12941543881 = 711316360991
BaseRepresentation
bin11000000110110000…
…00100100111001001
31020101220210112202001
430003120010213021
5203001013401011
65540102111001
7635463210430
oct140330044711
936356715661
1012941543881
115541189512
12261211b461
1312b3245696
148aaab0117
1550b2567c1
hex3036049c9

12941543881 has 8 divisors (see below), whose sum is σ = 14921224704. Its totient is φ = 10994585280.

The previous prime is 12941543873. The next prime is 12941543887. The reversal of 12941543881 is 18834514921.

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

It is not a de Polignac number, because 12941543881 - 23 = 12941543873 is a prime.

It is a super-2 number, since 2×129415438812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12941543887) 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 7 ways as a sum of consecutive naturals, for example, 8179705 + ... + 8181286.

It is an arithmetic number, because the mean of its divisors is an integer number (1865153088).

Almost surely, 212941543881 is an apocalyptic number.

It is an amenable number.

12941543881 is a deficient number, since it is larger than the sum of its proper divisors (1979680823).

12941543881 is a wasteful number, since it uses less digits than its factorization.

12941543881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16361111.

The product of its digits is 276480, while the sum is 46.

The spelling of 12941543881 in words is "twelve billion, nine hundred forty-one million, five hundred forty-three thousand, eight hundred eighty-one".

Divisors: 1 7 113 791 16360991 114526937 1848791983 12941543881