Base | Representation |
---|---|
bin | 1111100000010… |
… | …11110001000100 |
3 | 100001202022201102 |
4 | 13300023301010 |
5 | 231244242440 |
6 | 20523515232 |
7 | 3136406360 |
oct | 760136104 |
9 | 301668642 |
10 | 130071620 |
11 | 67470808 |
12 | 37688b18 |
13 | 20c42273 |
14 | 133bc2a0 |
15 | b644b15 |
hex | 7c0bc44 |
130071620 has 24 divisors (see below), whose sum is σ = 312172224. Its totient is φ = 44595936.
The previous prime is 130071563. The next prime is 130071659. The reversal of 130071620 is 26170031.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 130071592 and 130071601.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464402 + ... + 464681.
It is an arithmetic number, because the mean of its divisors is an integer number (13007176).
Almost surely, 2130071620 is an apocalyptic number.
130071620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130071620 is an abundant number, since it is smaller than the sum of its proper divisors (182100604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130071620 is a wasteful number, since it uses less digits than its factorization.
130071620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 929099 (or 929097 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 20.
The square root of 130071620 is about 11404.8945633004. The cubic root of 130071620 is about 506.6727136474.
The spelling of 130071620 in words is "one hundred thirty million, seventy-one thousand, six hundred twenty".
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