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1011010100869 is a prime number
BaseRepresentation
bin11101011011001001110…
…01011101111010000101
310120122121000212111111201
432231210321131322011
5113031022041211434
62052241315102501
7133020526031326
oct16554471357205
93518530774451
101011010100869
1135a84893270a
12143b352a1a31
137445131b922
1436d0c7c644d
151b47314d614
hexeb64e5de85

1011010100869 has 2 divisors, whose sum is σ = 1011010100870. Its totient is φ = 1011010100868.

The previous prime is 1011010100843. The next prime is 1011010100897. The reversal of 1011010100869 is 9680010101101.

It is an a-pointer prime, because the next prime (1011010100897) can be obtained adding 1011010100869 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 705490804225 + 305519296644 = 839935^2 + 552738^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011010100869 - 217 = 1011009969797 is a prime.

It is a super-2 number, since 2×10110101008692 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011010107869) 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 as a sum of consecutive naturals, namely, 505505050434 + 505505050435.

It is an arithmetic number, because the mean of its divisors is an integer number (505505050435).

Almost surely, 21011010100869 is an apocalyptic number.

It is an amenable number.

1011010100869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011010100869 is an equidigital number, since it uses as much as digits as its factorization.

1011010100869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 28.

The spelling of 1011010100869 in words is "one trillion, eleven billion, ten million, one hundred thousand, eight hundred sixty-nine".