Base | Representation |
---|---|
bin | 1111100000010… |
… | …11011111110000 |
3 | 100001202021012101 |
4 | 13300023133300 |
5 | 231244224022 |
6 | 20523510144 |
7 | 3136403215 |
oct | 760133760 |
9 | 301667171 |
10 | 130070512 |
11 | 6746a9a0 |
12 | 37688354 |
13 | 20c41900 |
14 | 133bbb0c |
15 | b644627 |
hex | 7c0b7f0 |
130070512 has 60 divisors (see below), whose sum is σ = 297764424. Its totient is φ = 54562560.
The previous prime is 130070477. The next prime is 130070531. The reversal of 130070512 is 215070031.
It is a super-3 number, since 3×1300705123 (a number of 25 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 130070512.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27558 + ... + 31930.
Almost surely, 2130070512 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 130070512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148882212).
130070512 is an abundant number, since it is smaller than the sum of its proper divisors (167693912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130070512 is a wasteful number, since it uses less digits than its factorization.
130070512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4418 (or 4399 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 19.
The square root of 130070512 is about 11404.8459875616. The cubic root of 130070512 is about 506.6712749658.
The spelling of 130070512 in words is "one hundred thirty million, seventy thousand, five hundred twelve".
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