Base | Representation |
---|---|
bin | 11101101010001001111011… |
… | …001011101100010111111111 |
3 | 122002211222000110002020122201 |
4 | 131222021323023230113333 |
5 | 114044113034200124211 |
6 | 1141231224510052331 |
7 | 36321665223215110 |
oct | 3552117313542777 |
9 | 562758013066581 |
10 | 130440223442431 |
11 | 3862042a622231 |
12 | 12768232aaa0a7 |
13 | 57a25ca34a326 |
14 | 242d4aa494207 |
15 | 10130b23b40c1 |
hex | 76a27b2ec5ff |
130440223442431 has 32 divisors (see below), whose sum is σ = 157978102464000. Its totient is φ = 105139466880000.
The previous prime is 130440223442381. The next prime is 130440223442443. The reversal of 130440223442431 is 134244322044031.
It is not a de Polignac number, because 130440223442431 - 29 = 130440223441919 is a prime.
It is a super-2 number, since 2×1304402234424312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130440223442461) 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, 1007966331 + ... + 1008095731.
It is an arithmetic number, because the mean of its divisors is an integer number (4936815702000).
Almost surely, 2130440223442431 is an apocalyptic number.
130440223442431 is a deficient number, since it is larger than the sum of its proper divisors (27537879021569).
130440223442431 is a wasteful number, since it uses less digits than its factorization.
130440223442431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136575.
The product of its (nonzero) digits is 221184, while the sum is 37.
Adding to 130440223442431 its reverse (134244322044031), we get a palindrome (264684545486462).
The spelling of 130440223442431 in words is "one hundred thirty trillion, four hundred forty billion, two hundred twenty-three million, four hundred forty-two thousand, four hundred thirty-one".
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