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12115072347 = 37576908207
BaseRepresentation
bin10110100100001110…
…10101010101011011
31011021022122102221020
423102013111111123
5144302424303342
65322100013523
7606136262430
oct132207252533
934238572836
1012115072347
115157708194
1224213912a3
1311b0c54881
1482d013b87
154ad9010ec
hex2d21d555b

12115072347 has 8 divisors (see below), whose sum is σ = 18461062656. Its totient is φ = 6922898472.

The previous prime is 12115072327. The next prime is 12115072351. The reversal of 12115072347 is 74327051121.

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

It is not a de Polignac number, because 12115072347 - 28 = 12115072091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12115072327) 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, 288454083 + ... + 288454124.

It is an arithmetic number, because the mean of its divisors is an integer number (2307632832).

Almost surely, 212115072347 is an apocalyptic number.

12115072347 is a deficient number, since it is larger than the sum of its proper divisors (6345990309).

12115072347 is an equidigital number, since it uses as much as digits as its factorization.

12115072347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576908217.

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 12115072347 in words is "twelve billion, one hundred fifteen million, seventy-two thousand, three hundred forty-seven".

Divisors: 1 3 7 21 576908207 1730724621 4038357449 12115072347