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1312341140425 = 52731971249131
BaseRepresentation
bin10011000110001101101…
…000001010001111001001
311122110101022101100021011
4103012031220022033021
5133000133312443200
62442514201043521
7163546015432540
oct23061550121711
94573338340234
101312341140425
114666193a76a7
121924104865a1
13969a3b326b3
1447736609157
152420c5ce5ba
hex1318da0a3c9

1312341140425 has 48 divisors (see below), whose sum is σ = 1921752428544. Its totient is φ = 869961960000.

The previous prime is 1312341140423. The next prime is 1312341140471. The reversal of 1312341140425 is 5240411432131.

It is a happy number.

It is not a de Polignac number, because 1312341140425 - 21 = 1312341140423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1312341140423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5143110 + ... + 5392240.

It is an arithmetic number, because the mean of its divisors is an integer number (40036508928).

Almost surely, 21312341140425 is an apocalyptic number.

It is an amenable number.

1312341140425 is a deficient number, since it is larger than the sum of its proper divisors (609411288119).

1312341140425 is a wasteful number, since it uses less digits than its factorization.

1312341140425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250150 (or 250145 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1312341140425 its reverse (5240411432131), we get a palindrome (6552752572556).

The spelling of 1312341140425 in words is "one trillion, three hundred twelve billion, three hundred forty-one million, one hundred forty thousand, four hundred twenty-five".

Divisors: 1 5 7 25 31 35 155 175 217 775 971 1085 4855 5425 6797 24275 30101 33985 150505 169925 210707 249131 752525 1053535 1245655 1743917 5267675 6228275 7723061 8719585 38615305 43597925 54061427 193076525 241906201 270307135 1209531005 1351535675 1693343407 6047655025 7499092231 8466717035 37495461155 42333585175 52493645617 187477305775 262468228085 1312341140425