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12983442147 = 3213176527623
BaseRepresentation
bin11000001011101111…
…11001101011100011
31020111211122012100200
430011313321223203
5203042230122042
65544200120243
7636512303004
oct140567715343
936454565320
1012983442147
1155628a6285
122624166083
1312bbb25260
148b24991ab
1550ec80c4c
hex305df9ae3

12983442147 has 24 divisors (see below), whose sum is σ = 21384496224. Its totient is φ = 7519820544.

The previous prime is 12983442091. The next prime is 12983442149. The reversal of 12983442147 is 74124438921.

12983442147 is a `hidden beast` number, since 1 + 2 + 98 + 344 + 214 + 7 = 666.

It is not a de Polignac number, because 12983442147 - 210 = 12983441123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12983442149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3261823 + ... + 3265800.

It is an arithmetic number, because the mean of its divisors is an integer number (891020676).

Almost surely, 212983442147 is an apocalyptic number.

12983442147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12983442147 is a deficient number, since it is larger than the sum of its proper divisors (8401054077).

12983442147 is a wasteful number, since it uses less digits than its factorization.

12983442147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527659 (or 6527656 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The spelling of 12983442147 in words is "twelve billion, nine hundred eighty-three million, four hundred forty-two thousand, one hundred forty-seven".

Divisors: 1 3 9 13 17 39 51 117 153 221 663 1989 6527623 19582869 58748607 84859099 110969591 254577297 332908773 763731891 998726319 1442604683 4327814049 12983442147