Base | Representation |
---|---|
bin | 1110011001001… |
… | …01110100011001 |
3 | 22102012021201021 |
4 | 13030211310121 |
5 | 221402204040 |
6 | 15551522441 |
7 | 2664166000 |
oct | 714456431 |
9 | 272167637 |
10 | 120741145 |
11 | 62178678 |
12 | 34529421 |
13 | 1c026385 |
14 | 1206dc37 |
15 | a90024a |
hex | 7325d19 |
120741145 has 32 divisors (see below), whose sum is σ = 176371200. Its totient is φ = 79168320.
The previous prime is 120741121. The next prime is 120741149. The reversal of 120741145 is 541147021.
It is not a de Polignac number, because 120741145 - 25 = 120741113 is a prime.
It is a super-2 number, since 2×1207411452 = 29156848191822050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (120741149) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37915 + ... + 40975.
It is an arithmetic number, because the mean of its divisors is an integer number (5511600).
Almost surely, 2120741145 is an apocalyptic number.
It is an amenable number.
120741145 is a deficient number, since it is larger than the sum of its proper divisors (55630055).
120741145 is an equidigital number, since it uses as much as digits as its factorization.
120741145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3110 (or 3096 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 120741145 is about 10988.2275640797. The cubic root of 120741145 is about 494.2557874250.
Adding to 120741145 its reverse (541147021), we get a palindrome (661888166).
The spelling of 120741145 in words is "one hundred twenty million, seven hundred forty-one thousand, one hundred forty-five".
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