Base | Representation |
---|---|
bin | 110111111000100101… |
… | …0001101000101101101 |
3 | 102110202201011210121022 |
4 | 1233301022031011231 |
5 | 3431240041213401 |
6 | 131044252543525 |
7 | 11445651012452 |
oct | 1576112150555 |
9 | 373681153538 |
10 | 120010101101 |
11 | 46994634240 |
12 | 1b313181ba5 |
13 | b417312c57 |
14 | 5b46815829 |
15 | 31c5ced71b |
hex | 1bf128d16d |
120010101101 has 4 divisors (see below), whose sum is σ = 130920110304. Its totient is φ = 109100091900.
The previous prime is 120010101083. The next prime is 120010101103. The reversal of 120010101101 is 101101010021.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101101010021 = 11 ⋅9191000911.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120010101101 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120010101103) 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, 5455004585 + ... + 5455004606.
It is an arithmetic number, because the mean of its divisors is an integer number (32730027576).
Almost surely, 2120010101101 is an apocalyptic number.
120010101101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
120010101101 is a deficient number, since it is larger than the sum of its proper divisors (10910009203).
120010101101 is a wasteful number, since it uses less digits than its factorization.
120010101101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10910009202.
The product of its (nonzero) digits is 2, while the sum is 8.
Adding to 120010101101 its reverse (101101010021), we get a palindrome (221111111122).
The spelling of 120010101101 in words is "one hundred twenty billion, ten million, one hundred one thousand, one hundred one".
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