Base | Representation |
---|---|
bin | 110111111011101001… |
… | …1000111010011110101 |
3 | 102111000212222200120010 |
4 | 1233313103013103311 |
5 | 3431442423200041 |
6 | 131102412330433 |
7 | 11451341335035 |
oct | 1576723072365 |
9 | 374025880503 |
10 | 120113100021 |
11 | 46a37793912 |
12 | 1b341773a19 |
13 | b432766765 |
14 | 5b563878c5 |
15 | 31ced96a16 |
hex | 1bf74c74f5 |
120113100021 has 8 divisors (see below), whose sum is σ = 160220530944. Its totient is φ = 80040534560.
The previous prime is 120113100017. The next prime is 120113100067. The reversal of 120113100021 is 120001311021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 120113100021 - 22 = 120113100017 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120113110021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8708325 + ... + 8722106.
It is an arithmetic number, because the mean of its divisors is an integer number (20027566368).
Almost surely, 2120113100021 is an apocalyptic number.
It is an amenable number.
120113100021 is a deficient number, since it is larger than the sum of its proper divisors (40107430923).
120113100021 is a wasteful number, since it uses less digits than its factorization.
120113100021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17432731.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 120113100021 its reverse (120001311021), we get a palindrome (240114411042).
The spelling of 120113100021 in words is "one hundred twenty billion, one hundred thirteen million, one hundred thousand, twenty-one".
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