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2640942286411 = 111347392938891
BaseRepresentation
bin100110011011100100011…
…011010100011001001011
3100100110201210211112220111
4212123210123110121023
5321232122211131121
65341122050335151
7361542004022422
oct46334433243113
910313653745814
102640942286411
11929021087120
123679ba28a4b7
13162069554c50
1491b725082b9
1548a6c4132e1
hex266e46d464b

2640942286411 has 16 divisors (see below), whose sum is σ = 3168659225088. Its totient is φ = 2169022672800.

The previous prime is 2640942286391. The next prime is 2640942286421. The reversal of 2640942286411 is 1146822490462.

2640942286411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2640942286411 is a prime.

It is a super-3 number, since 3×26409422864113 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640942286421) 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, 196462725 + ... + 196476166.

It is an arithmetic number, because the mean of its divisors is an integer number (198041201568).

Almost surely, 22640942286411 is an apocalyptic number.

2640942286411 is a deficient number, since it is larger than the sum of its proper divisors (527716938677).

2640942286411 is a wasteful number, since it uses less digits than its factorization.

2640942286411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392938962.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 2640942286411 in words is "two trillion, six hundred forty billion, nine hundred forty-two million, two hundred eighty-six thousand, four hundred eleven".

Divisors: 1 11 13 47 143 517 611 6721 392938891 4322327801 5108205583 18468127877 56190261413 203149406647 240085662401 2640942286411