Base | Representation |
---|---|
bin | 110111111011100111… |
… | …1000010000110110011 |
3 | 102111000210222022221120 |
4 | 1233313033002012303 |
5 | 3431442134431011 |
6 | 131102333353323 |
7 | 11451326260602 |
oct | 1576717020663 |
9 | 374023868846 |
10 | 120112030131 |
11 | 46a37123005 |
12 | 1b341338843 |
13 | b4324807a2 |
14 | 5b56189a39 |
15 | 31cec34a06 |
hex | 1bf73c21b3 |
120112030131 has 4 divisors (see below), whose sum is σ = 160149373512. Its totient is φ = 80074686752.
The previous prime is 120112030109. The next prime is 120112030133. The reversal of 120112030131 is 131030211021.
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 120112030131 - 25 = 120112030099 is a prime.
It is a super-2 number, since 2×1201120301312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 120112030131.
It is not an unprimeable number, because it can be changed into a prime (120112030133) 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, 20018671686 + ... + 20018671691.
It is an arithmetic number, because the mean of its divisors is an integer number (40037343378).
Almost surely, 2120112030131 is an apocalyptic number.
120112030131 is a deficient number, since it is larger than the sum of its proper divisors (40037343381).
120112030131 is an equidigital number, since it uses as much as digits as its factorization.
120112030131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40037343380.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 120112030131 its reverse (131030211021), we get a palindrome (251142241152).
The spelling of 120112030131 in words is "one hundred twenty billion, one hundred twelve million, thirty thousand, one hundred thirty-one".
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