Base | Representation |
---|---|
bin | 110111111011010010… |
… | …1011010100000010101 |
3 | 102111000001110001002102 |
4 | 1233312211122200111 |
5 | 3431431341320041 |
6 | 131101303451445 |
7 | 11451134450651 |
oct | 1576645324025 |
9 | 374001401072 |
10 | 120101120021 |
11 | 46a30a51093 |
12 | 1b339756b85 |
13 | b4301308bc |
14 | 5b54949a61 |
15 | 31cdccc09b |
hex | 1bf695a815 |
120101120021 has 8 divisors (see below), whose sum is σ = 125613690624. Its totient is φ = 114612781360.
The previous prime is 120101120017. The next prime is 120101120047. The reversal of 120101120021 is 120021101021.
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 120101120021 - 22 = 120101120017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120101119984 and 120101120011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120101120011) 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, 6047846 + ... + 6067671.
It is an arithmetic number, because the mean of its divisors is an integer number (15701711328).
Almost surely, 2120101120021 is an apocalyptic number.
It is an amenable number.
120101120021 is a deficient number, since it is larger than the sum of its proper divisors (5512570603).
120101120021 is a wasteful number, since it uses less digits than its factorization.
120101120021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12115971.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 120101120021 its reverse (120021101021), we get a palindrome (240122221042).
The spelling of 120101120021 in words is "one hundred twenty billion, one hundred one million, one hundred twenty thousand, twenty-one".
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