Base | Representation |
---|---|
bin | 1111100000010… |
… | …11011010000001 |
3 | 100001202020200210 |
4 | 13300023122001 |
5 | 231244221040 |
6 | 20523504333 |
7 | 3136402152 |
oct | 760133201 |
9 | 301666623 |
10 | 130070145 |
11 | 6746a697 |
12 | 376880a9 |
13 | 20c416aa |
14 | 133bb929 |
15 | b644480 |
hex | 7c0b681 |
130070145 has 16 divisors (see below), whose sum is σ = 220354560. Its totient is φ = 65289984.
The previous prime is 130070137. The next prime is 130070173. The reversal of 130070145 is 541070031.
It is not a de Polignac number, because 130070145 - 23 = 130070137 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254785 + ... + 255294.
It is an arithmetic number, because the mean of its divisors is an integer number (13772160).
Almost surely, 2130070145 is an apocalyptic number.
130070145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130070145 is a deficient number, since it is larger than the sum of its proper divisors (90284415).
130070145 is a wasteful number, since it uses less digits than its factorization.
130070145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 510104.
The product of its (nonzero) digits is 420, while the sum is 21.
The square root of 130070145 is about 11404.8298978985. The cubic root of 130070145 is about 506.6707984331.
The spelling of 130070145 in words is "one hundred thirty million, seventy thousand, one hundred forty-five".
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