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203021122030012 = 221113383926715487
BaseRepresentation
bin101110001010010110001001…
…110111000100100110111100
3222121211122000001201122002101
4232022112021313010212330
5203102244224214430022
61555442341011234444
760522535444004206
oct5612261167044674
9877748001648071
10203021122030012
11597638576aa880
121a92aa2aba8a24
138938a6aa8b7a0
14381c3bbc37776
1518710a2cd7627
hexb8a589dc49bc

203021122030012 has 48 divisors (see below), whose sum is σ = 418489886932992. Its totient is φ = 84961275756480.

The previous prime is 203021122029953. The next prime is 203021122030057. The reversal of 203021122030012 is 210030221120302.

203021122030012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463138668 + ... + 463576819.

It is an arithmetic number, because the mean of its divisors is an integer number (8718539311104).

Almost surely, 2203021122030012 is an apocalyptic number.

203021122030012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

203021122030012 is an abundant number, since it is smaller than the sum of its proper divisors (215468764902980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203021122030012 is a wasteful number, since it uses less digits than its factorization.

203021122030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926715898 (or 926715896 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203021122030012 its reverse (210030221120302), we get a palindrome (413051343150314).

The spelling of 203021122030012 in words is "two hundred three trillion, twenty-one billion, one hundred twenty-two million, thirty thousand, twelve".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 383 572 766 1532 4213 4979 8426 9958 16852 19916 54769 109538 219076 926715487 1853430974 3706861948 10193870357 12047301331 20387740714 24094602662 40775481428 48189205324 132520314641 265040629282 354932031521 530081258564 709864063042 1419728126084 3904252346731 4614116409773 7808504693462 9228232819546 15617009386924 18456465639092 50755280507503 101510561015006 203021122030012