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20103324311 = 717911160343
BaseRepresentation
bin10010101110010000…
…000110001010010111
31220220000221200120002
4102232100012022113
5312132422334221
613122500001515
71311115302650
oct225620061227
956800850502
1020103324311
118586891114
123a9069029b
131b84c13595
14d89d00527
157c9d7a80b
hex4ae406297

20103324311 has 8 divisors (see below), whose sum is σ = 22976653824. Its totient is φ = 17230351320.

The previous prime is 20103324289. The next prime is 20103324377. The reversal of 20103324311 is 11342330102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20103324311 - 226 = 20036215447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103324911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45206 + ... + 205548.

It is an arithmetic number, because the mean of its divisors is an integer number (2872081728).

Almost surely, 220103324311 is an apocalyptic number.

20103324311 is a deficient number, since it is larger than the sum of its proper divisors (2873329513).

20103324311 is a wasteful number, since it uses less digits than its factorization.

20103324311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178261.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20103324311 its reverse (11342330102), we get a palindrome (31445654413).

The spelling of 20103324311 in words is "twenty billion, one hundred three million, three hundred twenty-four thousand, three hundred eleven".

Divisors: 1 7 17911 125377 160343 1122401 2871903473 20103324311