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10101010110101 = 53190585096417
BaseRepresentation
bin1001001011111101001100…
…0111101001011010010101
31022202122110202120111122022
42102333103013221122111
52310443332042010401
633252201234142525
72061526306202231
oct222772307513225
938678422514568
1010101010110101
1132448a5968859
121171787a21a45
135836a1004b41
1426cc6a3ad5c1
15127b3cba971b
hex92fd31e9695

10101010110101 has 4 divisors (see below), whose sum is σ = 10291595206572. Its totient is φ = 9910425013632.

The previous prime is 10101010110089. The next prime is 10101010110173. The reversal of 10101010110101 is 10101101010101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6815237581201 + 3285772528900 = 2610601^2 + 1812670^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101010110101 - 214 = 10101010093717 is a prime.

It is a super-2 number, since 2×101010101101012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101010110181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95292548156 + ... + 95292548261.

It is an arithmetic number, because the mean of its divisors is an integer number (2572898801643).

Almost surely, 210101010110101 is an apocalyptic number.

It is an amenable number.

10101010110101 is a deficient number, since it is larger than the sum of its proper divisors (190585096471).

10101010110101 is an equidigital number, since it uses as much as digits as its factorization.

10101010110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190585096470.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 10101010110101 its reverse (10101101010101), we get a palindrome (20202111120202).

It can be divided in two parts, 101010101 and 10101, that multiplied together give a palindrome (1020303030201).

The spelling of 10101010110101 in words is "ten trillion, one hundred one billion, ten million, one hundred ten thousand, one hundred one".

Divisors: 1 53 190585096417 10101010110101