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20033230100231 = 292383604747939
BaseRepresentation
bin1001000111000010110011…
…00100000101011100000111
32121221011021020202111112202
410203201121210011130013
510111211023401201411
6110335045554305115
74135232055144365
oct443413144053407
977834236674482
1020033230100231
116424055143197
1222b66a828819b
13b2418292613a
144d3883688635
1524b19c35683b
hex123859905707

20033230100231 has 16 divisors (see below), whose sum is σ = 20736588902400. Its totient is φ = 19330711639008.

The previous prime is 20033230100227. The next prime is 20033230100239. The reversal of 20033230100231 is 13200103233002.

It is a cyclic number.

It is not a de Polignac number, because 20033230100231 - 22 = 20033230100227 is a prime.

It is a super-2 number, since 2×200332301002312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033230100239) by changing a digit.

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, 417866060 + ... + 417913998.

It is an arithmetic number, because the mean of its divisors is an integer number (1296036806400).

Almost surely, 220033230100231 is an apocalyptic number.

20033230100231 is a deficient number, since it is larger than the sum of its proper divisors (703358802169).

20033230100231 is a wasteful number, since it uses less digits than its factorization.

20033230100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56398.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20033230100231 its reverse (13200103233002), we get a palindrome (33233333333233).

The spelling of 20033230100231 in words is "twenty trillion, thirty-three billion, two hundred thirty million, one hundred thousand, two hundred thirty-one".

Divisors: 1 29 2383 6047 47939 69107 175363 1390231 14410001 114238637 289887133 417890029 3312920473 8406726857 690801037939 20033230100231