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2103220999999 = 7256681757271
BaseRepresentation
bin11110100110110001101…
…111011001011100111111
321110001210002100221120001
4132212301233121130333
5233424344033444444
64250112325135131
7304644530346100
oct36466157313477
97401702327501
102103220999999
11740a75472959
1229b75055a4a7
13123443485c72
1473b216043a7
1539a99db28d4
hex1e9b1bd973f

2103220999999 has 12 divisors (see below), whose sum is σ = 2446650415728. Its totient is φ = 1802726671200.

The previous prime is 2103220999987. The next prime is 2103221000029. The reversal of 2103220999999 is 9999990223012.

It is not a de Polignac number, because 2103220999999 - 27 = 2103220999871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103220999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103220999939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2398734 + ... + 3156004.

It is an arithmetic number, because the mean of its divisors is an integer number (203887534644).

Almost surely, 22103220999999 is an apocalyptic number.

2103220999999 is a deficient number, since it is larger than the sum of its proper divisors (343429415729).

2103220999999 is an equidigital number, since it uses as much as digits as its factorization.

2103220999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813966 (or 813959 counting only the distinct ones).

The product of its (nonzero) digits is 12754584, while the sum is 64.

The spelling of 2103220999999 in words is "two trillion, one hundred three billion, two hundred twenty million, nine hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 7 49 56681 396767 757271 2777369 5300897 37106279 42922877551 300460142857 2103220999999