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20130311022101 = 741592054957853
BaseRepresentation
bin1001001001110111101000…
…00010011010011000010101
32122021102211222122022101122
410210323310002122120111
510114303334110201401
6110451423123333325
74145236605313130
oct444736402323025
978242758568348
1020130311022101
116461242859725
122311480521245
13b303847451c7
144d8452b69217
1524d98018421b
hex124ef409a615

20130311022101 has 32 divisors (see below), whose sum is σ = 23968217952000. Its totient is φ = 16547301112320.

The previous prime is 20130311022083. The next prime is 20130311022113. The reversal of 20130311022101 is 10122011303102.

It is a cyclic number.

It is not a de Polignac number, because 20130311022101 - 210 = 20130311021077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20130311022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130311022001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347927291 + ... + 347985143.

It is an arithmetic number, because the mean of its divisors is an integer number (749006811000).

Almost surely, 220130311022101 is an apocalyptic number.

It is an amenable number.

20130311022101 is a deficient number, since it is larger than the sum of its proper divisors (3837906929899).

20130311022101 is a wasteful number, since it uses less digits than its factorization.

20130311022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78509.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20130311022101 its reverse (10122011303102), we get a palindrome (30252322325203).

The spelling of 20130311022101 in words is "twenty trillion, one hundred thirty billion, three hundred eleven million, twenty-two thousand, one hundred one".

Divisors: 1 7 41 59 287 413 2419 16933 20549 57853 143843 404971 842509 1212391 2371973 3413327 5897563 8486737 16603811 23893289 49708031 139946407 347956217 979624849 1188821297 8321749079 48741673177 70140456523 341191712239 490983195661 2875758717443 20130311022101