Base | Representation |
---|---|
bin | 111000001110100000… |
… | …1110110000100001001 |
3 | 102112200000002210002102 |
4 | 1300131001312010021 |
5 | 3434242000412040 |
6 | 131245304043145 |
7 | 11503125655616 |
oct | 1603501660411 |
9 | 375600083072 |
10 | 120746107145 |
11 | 472320364a4 |
12 | 1b4997634b5 |
13 | b50394aca1 |
14 | 5bb648350d |
15 | 321a734515 |
hex | 1c1d076109 |
120746107145 has 32 divisors (see below), whose sum is σ = 154498889376. Its totient is φ = 90275328000.
The previous prime is 120746107093. The next prime is 120746107147. The reversal of 120746107145 is 541701647021.
It can be written as a sum of positive squares in 16 ways, for example, as 48257544976 + 72488562169 = 219676^2 + 269237^2 .
It is not a de Polignac number, because 120746107145 - 210 = 120746106121 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120746107099 and 120746107108.
It is not an unprimeable number, because it can be changed into a prime (120746107147) 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, 36576995 + ... + 36580295.
It is an arithmetic number, because the mean of its divisors is an integer number (4828090293).
Almost surely, 2120746107145 is an apocalyptic number.
It is an amenable number.
120746107145 is a deficient number, since it is larger than the sum of its proper divisors (33752782231).
120746107145 is a wasteful number, since it uses less digits than its factorization.
120746107145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6221.
The product of its (nonzero) digits is 47040, while the sum is 38.
The spelling of 120746107145 in words is "one hundred twenty billion, seven hundred forty-six million, one hundred seven thousand, one hundred forty-five".
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