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12345311172641 = 79833535333621
BaseRepresentation
bin1011001110100101110111…
…1000110001100000100001
31121201012101221222012012212
42303221131320301200201
53104231144130011031
642131205130531505
72412630214365116
oct263513570614041
947635357865185
1012345311172641
113a2a687351817
12147472b896b95
136b7208a3c945
1430973283090d
151661e34d712b
hexb3a5de31821

12345311172641 has 16 divisors (see below), whose sum is σ = 12688046703360. Its totient is φ = 12008069399040.

The previous prime is 12345311172581. The next prime is 12345311172653. The reversal of 12345311172641 is 14627111354321.

It is a cyclic number.

It is not a de Polignac number, because 12345311172641 - 230 = 12344237430817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345311172541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352190 + ... + 4981431.

It is an arithmetic number, because the mean of its divisors is an integer number (793002918960).

Almost surely, 212345311172641 is an apocalyptic number.

It is an amenable number.

12345311172641 is a deficient number, since it is larger than the sum of its proper divisors (342735530719).

12345311172641 is an equidigital number, since it uses as much as digits as its factorization.

12345311172641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334136.

The product of its digits is 120960, while the sum is 41.

The spelling of 12345311172641 in words is "twelve trillion, three hundred forty-five billion, three hundred eleven million, one hundred seventy-two thousand, six hundred forty-one".

Divisors: 1 79 83 353 6557 27887 29299 2314621 5333621 421356059 442690543 1882768213 34972552897 148738688827 156269761679 12345311172641