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203302021312103 = 7197481193063803
BaseRepresentation
bin101110001110011011110000…
…110000110010111001100111
3222122211111001102021122200212
4232032123300300302321213
5203121400014423441403
62000215354221530035
760552041416341410
oct5616336060627147
9878744042248625
10203302021312103
11598619a2a59a9a
121a97536371391b
1389593b561743c
14382bc282a4807
1518785436644d8
hexb8e6f0c32e67

203302021312103 has 16 divisors (see below), whose sum is σ = 233529513592320. Its totient is φ = 173370652971936.

The previous prime is 203302021312081. The next prime is 203302021312109. The reversal of 203302021312103 is 301213120203302.

It is not a de Polignac number, because 203302021312103 - 224 = 203302004534887 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 (203302021312109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64824200 + ... + 67888002.

It is an arithmetic number, because the mean of its divisors is an integer number (14595594599520).

Almost surely, 2203302021312103 is an apocalyptic number.

203302021312103 is a deficient number, since it is larger than the sum of its proper divisors (30227492280217).

203302021312103 is a wasteful number, since it uses less digits than its factorization.

203302021312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112126.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 203302021312103 its reverse (301213120203302), we get a palindrome (504515141515405).

The spelling of 203302021312103 in words is "two hundred three trillion, three hundred two billion, twenty-one million, three hundred twelve thousand, one hundred three".

Divisors: 1 7 197 1379 48119 336833 3063803 9479443 21446621 66356101 603569191 4224984337 147427136557 1031989955899 29043145901729 203302021312103