Search a number
-
+
10101010001011 = 172457696110987
BaseRepresentation
bin1001001011111101001100…
…0111001110110001110011
31022202122110202100221222221
42102333103013032301303
52310443332030013021
633252201231541511
72061526305236206
oct222772307166163
938678422327887
1010101010001011
1132448a58a38a6
12117178798a897
135836a0c972a7
1426cc6a38193d
15127b3cb87241
hex92fd31cec73

10101010001011 has 24 divisors (see below), whose sum is σ = 10756141904336. Its totient is φ = 9483804241920.

The previous prime is 10101010001009. The next prime is 10101010001041. The reversal of 10101010001011 is 11010001010101.

It is a happy number.

It is not a de Polignac number, because 10101010001011 - 21 = 10101010001009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101010000985 and 10101010001003.

It is not an unprimeable number, because it can be changed into a prime (10101010001041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919354660 + ... + 919365646.

Almost surely, 210101010001011 is an apocalyptic number.

10101010001011 is a deficient number, since it is larger than the sum of its proper divisors (655131903325).

10101010001011 is a wasteful number, since it uses less digits than its factorization.

10101010001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18439 (or 18422 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 10101010001011 its reverse (11010001010101), we get a palindrome (21111011011112).

The spelling of 10101010001011 in words is "ten trillion, one hundred one billion, ten million, one thousand, eleven".

Divisors: 1 17 289 457 6961 7769 10987 118337 132073 186779 2011729 3175243 3181177 5021059 54080009 76480507 85358003 919360153 1300168619 1451086051 22102866523 34951591699 594177058883 10101010001011