Base | Representation |
---|---|
bin | 110111111001110100… |
… | …0011011111100111001 |
3 | 102110212121020011221211 |
4 | 1233303220123330321 |
5 | 3431331201040404 |
6 | 131052334003121 |
7 | 11446663412353 |
oct | 1576350337471 |
9 | 373777204854 |
10 | 120051580729 |
11 | 46a05a95523 |
12 | 1b3250464a1 |
13 | b422aa7102 |
14 | 5b4c1320d3 |
15 | 31c9793b04 |
hex | 1bf3a1bf39 |
120051580729 has 16 divisors (see below), whose sum is σ = 124306261200. Its totient is φ = 115853310720.
The previous prime is 120051580711. The next prime is 120051580757. The reversal of 120051580729 is 927085150021.
It can be written as a sum of positive squares in 8 ways, for example, as 995528704 + 119056052025 = 31552^2 + 345045^2 .
It is not a de Polignac number, because 120051580729 - 223 = 120043192121 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120051580691 and 120051580700.
It is not an unprimeable number, because it can be changed into a prime (120051580799) 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, 2672547 + ... + 2717095.
It is an arithmetic number, because the mean of its divisors is an integer number (7769141325).
Almost surely, 2120051580729 is an apocalyptic number.
It is an amenable number.
120051580729 is a deficient number, since it is larger than the sum of its proper divisors (4254680471).
120051580729 is a wasteful number, since it uses less digits than its factorization.
120051580729 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45180.
The product of its (nonzero) digits is 50400, while the sum is 40.
The spelling of 120051580729 in words is "one hundred twenty billion, fifty-one million, five hundred eighty thousand, seven hundred twenty-nine".
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