Base | Representation |
---|---|
bin | 1110010011111… |
… | …11110011011001 |
3 | 22100220201221002 |
4 | 13021333303121 |
5 | 221213424040 |
6 | 15525154345 |
7 | 2655334331 |
oct | 711776331 |
9 | 270821832 |
10 | 120061145 |
11 | 61853796 |
12 | 3425b9b5 |
13 | 1bb489c9 |
14 | 11d340c1 |
15 | a818a15 |
hex | 727fcd9 |
120061145 has 8 divisors (see below), whose sum is σ = 144566856. Its totient is φ = 95719936.
The previous prime is 120061141. The next prime is 120061147. The reversal of 120061145 is 541160021.
It can be written as a sum of positive squares in 4 ways, for example, as 24334489 + 95726656 = 4933^2 + 9784^2 .
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 120061145 - 22 = 120061141 is a prime.
It is a super-2 number, since 2×1200611452 = 28829357077422050, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120061141) 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, 39512 + ... + 42441.
It is an arithmetic number, because the mean of its divisors is an integer number (18070857).
Almost surely, 2120061145 is an apocalyptic number.
It is an amenable number.
120061145 is a deficient number, since it is larger than the sum of its proper divisors (24505711).
120061145 is an equidigital number, since it uses as much as digits as its factorization.
120061145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82251.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 120061145 is about 10957.2416693254. The cubic root of 120061145 is about 493.3261764951.
The spelling of 120061145 in words is "one hundred twenty million, sixty-one thousand, one hundred forty-five".
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