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1391069383249 = 71318047847037
BaseRepresentation
bin10100001111100010001…
…100100100101001010001
311220222121000110110101111
4110033202030210221101
5140242402230230444
62543014244333321
7202333665443350
oct24174214445121
94828530413344
101391069383249
11496a49446797
121a57223a4241
13a123c63a770
144b4844d5997
15262b90db234
hex143e2324a51

1391069383249 has 16 divisors (see below), whose sum is σ = 1712182284288. Its totient is φ = 1100564039232.

The previous prime is 1391069383247. The next prime is 1391069383271. The reversal of 1391069383249 is 9423839601931.

It is a happy number.

It is not a de Polignac number, because 1391069383249 - 21 = 1391069383247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1391069383193 and 1391069383202.

It is not an unprimeable number, because it can be changed into a prime (1391069383247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1218759 + ... + 2065795.

It is an arithmetic number, because the mean of its divisors is an integer number (107011392768).

Almost surely, 21391069383249 is an apocalyptic number.

It is an amenable number.

1391069383249 is a deficient number, since it is larger than the sum of its proper divisors (321112901039).

1391069383249 is a wasteful number, since it uses less digits than its factorization.

1391069383249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865104.

The product of its (nonzero) digits is 7558272, while the sum is 58.

The spelling of 1391069383249 in words is "one trillion, three hundred ninety-one billion, sixty-nine million, three hundred eighty-three thousand, two hundred forty-nine".

Divisors: 1 7 13 91 18047 126329 234611 847037 1642277 5929259 11011481 77080367 15286476739 107005337173 198724197607 1391069383249