Base | Representation |
---|---|
bin | 111100101000111000… |
… | …1101111100101000000 |
3 | 110110010022210212220001 |
4 | 1321101301233211000 |
5 | 4113143034411222 |
6 | 135453412125344 |
7 | 12256666231015 |
oct | 1712161574500 |
9 | 413108725801 |
10 | 130221013312 |
11 | 50254404765 |
12 | 212a2906854 |
13 | c383908540 |
14 | 643499b70c |
15 | 35c246de27 |
hex | 1e51c6f940 |
130221013312 has 56 divisors (see below), whose sum is σ = 280885794336. Its totient is φ = 59540264448.
The previous prime is 130221013289. The next prime is 130221013333. The reversal of 130221013312 is 213310122031.
It is a self number, because there is not a number n which added to its sum of digits gives 130221013312.
It is a congruent number.
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, 642358 + ... + 820405.
It is an arithmetic number, because the mean of its divisors is an integer number (5015817756).
Almost surely, 2130221013312 is an apocalyptic number.
It is an amenable number.
130221013312 is an abundant number, since it is smaller than the sum of its proper divisors (150664781024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130221013312 is a wasteful number, since it uses less digits than its factorization.
130221013312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1462895 (or 1462885 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 130221013312 its reverse (213310122031), we get a palindrome (343531135343).
The spelling of 130221013312 in words is "one hundred thirty billion, two hundred twenty-one million, thirteen thousand, three hundred twelve".
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