Base | Representation |
---|---|
bin | 110111111011010010… |
… | …1011000000111010111 |
3 | 102111000001102112122211 |
4 | 1233312211120013113 |
5 | 3431431341011411 |
6 | 131101303334251 |
7 | 11451134410264 |
oct | 1576645300727 |
9 | 374001375584 |
10 | 120101110231 |
11 | 46a30a447a3 |
12 | 1b339751387 |
13 | b4301292cb |
14 | 5b5494626b |
15 | 31cdcc9221 |
hex | 1bf69581d7 |
120101110231 has 4 divisors (see below), whose sum is σ = 120203674264. Its totient is φ = 119998546200.
The previous prime is 120101110193. The next prime is 120101110249. The reversal of 120101110231 is 132011101021.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 120101110231 - 233 = 111511175639 is a prime.
It is a super-2 number, since 2×1201011102312 (a number of 23 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 (120101117231) 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, 51280260 + ... + 51282601.
It is an arithmetic number, because the mean of its divisors is an integer number (30050918566).
Almost surely, 2120101110231 is an apocalyptic number.
120101110231 is a deficient number, since it is larger than the sum of its proper divisors (102564033).
120101110231 is a wasteful number, since it uses less digits than its factorization.
120101110231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102564032.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 120101110231 its reverse (132011101021), we get a palindrome (252112211252).
The spelling of 120101110231 in words is "one hundred twenty billion, one hundred one million, one hundred ten thousand, two hundred thirty-one".
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