Base | Representation |
---|---|
bin | 110111111100110011… |
… | …1111100010101011001 |
3 | 102111010121101211101121 |
4 | 1233321213330111121 |
5 | 3432032420131041 |
6 | 131110324445241 |
7 | 11452324056655 |
oct | 1577147742531 |
9 | 374117354347 |
10 | 120152114521 |
11 | 46a57810aaa |
12 | 1b352849821 |
13 | b43a87686a |
14 | 5b5b621a65 |
15 | 31d35017d1 |
hex | 1bf99fc559 |
120152114521 has 16 divisors (see below), whose sum is σ = 123113461968. Its totient is φ = 117227520000.
The previous prime is 120152114507. The next prime is 120152114573. The reversal of 120152114521 is 125411251021.
It can be written as a sum of positive squares in 8 ways, for example, as 273439296 + 119878675225 = 16536^2 + 346235^2 .
It is a cyclic number.
It is not a de Polignac number, because 120152114521 - 27 = 120152114393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120152114221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28328961 + ... + 28333201.
It is an arithmetic number, because the mean of its divisors is an integer number (7694591373).
Almost surely, 2120152114521 is an apocalyptic number.
It is an amenable number.
120152114521 is a deficient number, since it is larger than the sum of its proper divisors (2961347447).
120152114521 is an equidigital number, since it uses as much as digits as its factorization.
120152114521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8412.
The product of its (nonzero) digits is 800, while the sum is 25.
Adding to 120152114521 its reverse (125411251021), we get a palindrome (245563365542).
The spelling of 120152114521 in words is "one hundred twenty billion, one hundred fifty-two million, one hundred fourteen thousand, five hundred twenty-one".
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