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10840104557 is a prime number
BaseRepresentation
bin10100001100001111…
…01101111001101101
31000222110120100220222
422012013231321231
5134200031321212
64551353021125
7532425240242
oct120607557155
930873510828
1010840104557
114662a57aa7
1221263b47a5
131039a72669
1474b96b5c9
15436a07c72
hex2861ede6d

10840104557 has 2 divisors, whose sum is σ = 10840104558. Its totient is φ = 10840104556.

The previous prime is 10840104463. The next prime is 10840104571. The reversal of 10840104557 is 75540104801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6081036361 + 4759068196 = 77981^2 + 68986^2 .

It is a cyclic number.

It is not a de Polignac number, because 10840104557 - 214 = 10840088173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10840194557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5420052278 + 5420052279.

It is an arithmetic number, because the mean of its divisors is an integer number (5420052279).

Almost surely, 210840104557 is an apocalyptic number.

It is an amenable number.

10840104557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10840104557 is an equidigital number, since it uses as much as digits as its factorization.

10840104557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 35.

The spelling of 10840104557 in words is "ten billion, eight hundred forty million, one hundred four thousand, five hundred fifty-seven".