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1002431355545 = 5811564743777
BaseRepresentation
bin11101001011001011001…
…00001001101010011001
310112211110011110002021102
432211211210021222121
5112410434411334140
62044302142521145
7132265116635114
oct16454544115231
93484404402242
101002431355545
11357146404344
121423402961b5
13736b4c12469
143673730957b
151b11ee32e15
hexe965909a99

1002431355545 has 16 divisors (see below), whose sum is σ = 1204641677568. Its totient is φ = 800796119040.

The previous prime is 1002431355539. The next prime is 1002431355587. The reversal of 1002431355545 is 5455531342001.

It is not a de Polignac number, because 1002431355545 - 234 = 985251486361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002431355499 and 1002431355508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22876697 + ... + 22920473.

It is an arithmetic number, because the mean of its divisors is an integer number (75290104848).

Almost surely, 21002431355545 is an apocalyptic number.

It is an amenable number.

1002431355545 is a deficient number, since it is larger than the sum of its proper divisors (202210322023).

1002431355545 is an equidigital number, since it uses as much as digits as its factorization.

1002431355545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50240.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 1002431355545 its reverse (5455531342001), we get a palindrome (6457962697546).

The spelling of 1002431355545 in words is "one trillion, two billion, four hundred thirty-one million, three hundred fifty-five thousand, five hundred forty-five".

Divisors: 1 5 811 4055 5647 28235 43777 218885 4579717 22898585 35503147 177515735 247208719 1236043595 200486271109 1002431355545