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130440223442431 = 71714995651129401
BaseRepresentation
bin11101101010001001111011…
…001011101100010111111111
3122002211222000110002020122201
4131222021323023230113333
5114044113034200124211
61141231224510052331
736321665223215110
oct3552117313542777
9562758013066581
10130440223442431
113862042a622231
1212768232aaa0a7
1357a25ca34a326
14242d4aa494207
1510130b23b40c1
hex76a27b2ec5ff

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".

Divisors: 1 7 17 119 1499 5651 10493 25483 39557 96067 129401 178381 672469 905807 2199817 8470849 15398719 59295943 144004433 193972099 731245051 1008031031 1357804693 3297525683 5118715357 12431165867 23082679781 87018161069 1096136331449 7672954320143 18634317634633 130440223442431