Base | Representation |
---|---|
bin | 10011000110010001001… |
… | …101101111000110111110 |
3 | 11122110112111121220110022 |
4 | 103012101031233012332 |
5 | 133000244214304210 |
6 | 2442524151012142 |
7 | 163550346115352 |
oct | 23062115570676 |
9 | 4573474556408 |
10 | 1312401322430 |
11 | 46664a3722a0 |
12 | 19242866a052 |
13 | 969b3444453 |
14 | 477405d3462 |
15 | 24212a1b155 |
hex | 1319136f1be |
1312401322430 has 64 divisors (see below), whose sum is σ = 2816693637120. Its totient is φ = 434674905600.
The previous prime is 1312401322429. The next prime is 1312401322433. The reversal of 1312401322430 is 342231042131.
It is a super-2 number, since 2×13124013224302 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1312401322430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312401322433) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11261690 + ... + 11377629.
It is an arithmetic number, because the mean of its divisors is an integer number (44010838080).
Almost surely, 21312401322430 is an apocalyptic number.
1312401322430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312401322430 is an abundant number, since it is smaller than the sum of its proper divisors (1504292314690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312401322430 is a wasteful number, since it uses less digits than its factorization.
1312401322430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22639385.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 1312401322430 its reverse (342231042131), we get a palindrome (1654632364561).
The spelling of 1312401322430 in words is "one trillion, three hundred twelve billion, four hundred one million, three hundred twenty-two thousand, four hundred thirty".
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