Base | Representation |
---|---|
bin | 10010111011110111100… |
… | …111011011010110111100 |
3 | 11121101201021011001210101 |
4 | 102323313213123112330 |
5 | 132304412003301140 |
6 | 2433440121450444 |
7 | 163003542112660 |
oct | 22736747332674 |
9 | 4541637131711 |
10 | 1301234431420 |
11 | 461939a05850 |
12 | 190230940a24 |
13 | 95923a85931 |
14 | 46da14bc8a0 |
15 | 23cac4b299a |
hex | 12ef79db5bc |
1301234431420 has 48 divisors (see below), whose sum is σ = 3406868333568. Its totient is φ = 405579562560.
The previous prime is 1301234431373. The next prime is 1301234431459. The reversal of 1301234431420 is 241344321031.
It is a happy number.
It is a super-2 number, since 2×13012344314202 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422477172 + ... + 422480251.
It is an arithmetic number, because the mean of its divisors is an integer number (70976423616).
Almost surely, 21301234431420 is an apocalyptic number.
1301234431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1301234431420 is an abundant number, since it is smaller than the sum of its proper divisors (2105633902148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1301234431420 is a wasteful number, since it uses less digits than its factorization.
1301234431420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 844957450 (or 844957448 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 1301234431420 its reverse (241344321031), we get a palindrome (1542578752451).
The spelling of 1301234431420 in words is "one trillion, three hundred one billion, two hundred thirty-four million, four hundred thirty-one thousand, four hundred twenty".
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