Base | Representation |
---|---|
bin | 11101110110101101100011… |
… | …111100100010011111011011 |
3 | 122012220110022022222210202000 |
4 | 131312231203330202133123 |
5 | 114202232243214122230 |
6 | 1143131453241212043 |
7 | 36441223524133200 |
oct | 3566554374423733 |
9 | 565813268883660 |
10 | 131303122020315 |
11 | 389233833514a3 |
12 | 12887511a91023 |
13 | 5835aa641750b |
14 | 245d168233ca7 |
15 | 102a767616b60 |
hex | 776b63f227db |
131303122020315 has 96 divisors (see below), whose sum is σ = 275362915115520. Its totient is φ = 59178871684800.
The previous prime is 131303122020313. The next prime is 131303122020463. The reversal of 131303122020315 is 513020221303131.
131303122020315 is a `hidden beast` number, since 1 + 3 + 1 + 30 + 312 + 2 + 0 + 2 + 0 + 315 = 666.
It is not a de Polignac number, because 131303122020315 - 21 = 131303122020313 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (131303122020313) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 139314141 + ... + 140253470.
It is an arithmetic number, because the mean of its divisors is an integer number (2868363699120).
Almost surely, 2131303122020315 is an apocalyptic number.
131303122020315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131303122020315 is an abundant number, since it is smaller than the sum of its proper divisors (144059793095205).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131303122020315 is a wasteful number, since it uses less digits than its factorization.
131303122020315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279567710 (or 279567697 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
Adding to 131303122020315 its reverse (513020221303131), we get a palindrome (644323343323446).
The spelling of 131303122020315 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twenty-two million, twenty thousand, three hundred fifteen".
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