Base | Representation |
---|---|
bin | 111100010000101… |
… | …100101000110101 |
3 | 2121110101122010120 |
4 | 330100230220311 |
5 | 4032304310401 |
6 | 244153242153 |
7 | 34024305213 |
oct | 7420545065 |
9 | 2543348116 |
10 | 1011010101 |
11 | 479763942 |
12 | 242703359 |
13 | 1315c373a |
14 | 983b5cb3 |
15 | 5db58836 |
hex | 3c42ca35 |
1011010101 has 16 divisors (see below), whose sum is σ = 1381706688. Its totient is φ = 657360000.
The previous prime is 1011010031. The next prime is 1011010123. The reversal of 1011010101 is 1010101101.
It is not a de Polignac number, because 1011010101 - 27 = 1011009973 is a prime.
1011010101 is a modest number, since divided by 10101 gives 1011 as remainder.
It is a self number, because there is not a number n which added to its sum of digits gives 1011010101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1011010171) 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, 4600 + ... + 45201.
It is an arithmetic number, because the mean of its divisors is an integer number (86356668).
Almost surely, 21011010101 is an apocalyptic number.
It is an amenable number.
1011010101 is a deficient number, since it is larger than the sum of its proper divisors (370696587).
1011010101 is a wasteful number, since it uses less digits than its factorization.
1011010101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49972.
The product of its (nonzero) digits is 1, while the sum is 6.
The square root of 1011010101 is about 31796.3850303773. The cubic root of 1011010101 is about 1003.6566463067.
Adding to 1011010101 its reverse (1010101101), we get a palindrome (2021111202).
It can be divided in two parts, 101 and 1010101, that multiplied together give a palindrome (102020201).
The spelling of 1011010101 in words is "one billion, eleven million, ten thousand, one hundred one".
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