Base | Representation |
---|---|
bin | 1111011111111… |
… | …10000001110000 |
3 | 100001122110112010 |
4 | 13233332001300 |
5 | 231240442334 |
6 | 20522402520 |
7 | 3136053324 |
oct | 757760160 |
9 | 301573463 |
10 | 130015344 |
11 | 674324a8 |
12 | 37660440 |
13 | 20c22774 |
14 | 133a5984 |
15 | b6330e9 |
hex | 7bfe070 |
130015344 has 20 divisors (see below), whose sum is σ = 335873096. Its totient is φ = 43338432.
The previous prime is 130015321. The next prime is 130015349. The reversal of 130015344 is 443510031.
It is a super-3 number, since 3×1300153443 (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 130015344.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130015349) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354279 + ... + 1354374.
Almost surely, 2130015344 is an apocalyptic number.
It is an amenable number.
130015344 is an abundant number, since it is smaller than the sum of its proper divisors (205857752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130015344 is a wasteful number, since it uses less digits than its factorization.
130015344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2708664 (or 2708658 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 130015344 is about 11402.4271100499. The cubic root of 130015344 is about 506.5996317900.
Adding to 130015344 its reverse (443510031), we get a palindrome (573525375).
The spelling of 130015344 in words is "one hundred thirty million, fifteen thousand, three hundred forty-four".
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