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12882506147 = 74144886781
BaseRepresentation
bin10111111111101101…
…10111000110100011
31020020210201010012022
423333312313012203
5202340410144042
65530152452055
7634145331650
oct137766670643
936223633168
1012882506147
1155109255a5
1225b63aa02b
1312a3c44704
148a2d02c27
15505e93cd2
hex2ffdb71a3

12882506147 has 8 divisors (see below), whose sum is σ = 15081958752. Its totient is φ = 10772827200.

The previous prime is 12882506113. The next prime is 12882506171. The reversal of 12882506147 is 74160528821.

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

It is a cyclic number.

It is not a de Polignac number, because 12882506147 - 230 = 11808764323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12882506098 and 12882506107.

It is not an unprimeable number, because it can be changed into a prime (12882506647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22443104 + ... + 22443677.

It is an arithmetic number, because the mean of its divisors is an integer number (1885244844).

Almost surely, 212882506147 is an apocalyptic number.

12882506147 is a deficient number, since it is larger than the sum of its proper divisors (2199452605).

12882506147 is an equidigital number, since it uses as much as digits as its factorization.

12882506147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44886829.

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 12882506147 in words is "twelve billion, eight hundred eighty-two million, five hundred six thousand, one hundred forty-seven".

Divisors: 1 7 41 287 44886781 314207467 1840358021 12882506147