Base | Representation |
---|---|
bin | 11101110010011110101101… |
… | …100111000010110001010100 |
3 | 122011212122122110021201021010 |
4 | 131302132231213002301110 |
5 | 114133001142312420340 |
6 | 1142350115250452220 |
7 | 36411216633606165 |
oct | 3562365547026124 |
9 | 564778573251233 |
10 | 131012300123220 |
11 | 38821005a3280a |
12 | 1283b08a294070 |
13 | 5814539c27439 |
14 | 244d05a02976c |
15 | 1022de5ab5b80 |
hex | 7727ad9c2c54 |
131012300123220 has 24 divisors (see below), whose sum is σ = 366834440345184. Its totient is φ = 34936613366176.
The previous prime is 131012300123213. The next prime is 131012300123227. The reversal of 131012300123220 is 22321003210131.
It is an interprime number because it is at equal distance from previous prime (131012300123213) and next prime (131012300123227).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131012300123227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091769167634 + ... + 1091769167753.
It is an arithmetic number, because the mean of its divisors is an integer number (15284768347716).
Almost surely, 2131012300123220 is an apocalyptic number.
131012300123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131012300123220 is an abundant number, since it is smaller than the sum of its proper divisors (235822140221964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131012300123220 is a wasteful number, since it uses less digits than its factorization.
131012300123220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2183538335399 (or 2183538335397 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 131012300123220 its reverse (22321003210131), we get a palindrome (153333303333351).
The spelling of 131012300123220 in words is "one hundred thirty-one trillion, twelve billion, three hundred million, one hundred twenty-three thousand, two hundred twenty".
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