Base | Representation |
---|---|
bin | 111100100101101011… |
… | …0100101110101011101 |
3 | 110102211211000001000210 |
4 | 1321023112211311131 |
5 | 4112432441412341 |
6 | 135435002043033 |
7 | 12254220140310 |
oct | 1711326456535 |
9 | 412754001023 |
10 | 130113232221 |
11 | 501a9589185 |
12 | 212727a9479 |
13 | c36749c14b |
14 | 6424542977 |
15 | 35b7c7dc16 |
hex | 1e4b5a5d5d |
130113232221 has 16 divisors (see below), whose sum is σ = 202486247424. Its totient is φ = 72768494064.
The previous prime is 130113232211. The next prime is 130113232259. The reversal of 130113232221 is 122232311031.
It is not a de Polignac number, because 130113232221 - 29 = 130113231709 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130113232211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65912505 + ... + 65914478.
It is an arithmetic number, because the mean of its divisors is an integer number (12655390464).
Almost surely, 2130113232221 is an apocalyptic number.
It is an amenable number.
130113232221 is a deficient number, since it is larger than the sum of its proper divisors (72373015203).
130113232221 is a wasteful number, since it uses less digits than its factorization.
130113232221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131827040.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 130113232221 its reverse (122232311031), we get a palindrome (252345543252).
The spelling of 130113232221 in words is "one hundred thirty billion, one hundred thirteen million, two hundred thirty-two thousand, two hundred twenty-one".
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