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4020021301301 = 17213910108309
BaseRepresentation
bin111010011111111011111…
…100010001000000110101
3112020022101012022012001222
4322133323330101000311
51011331000423120201
612314434452000125
7563302606155665
oct72377374210065
915208335265058
104020021301301
11130a97724a675
1254b135000045
13232117a20b95
14dc7da3ac1a5
156e883a3291b
hex3a7fbf11035

4020021301301 has 6 divisors (see below), whose sum is σ = 4270403251170. Its totient is φ = 3783549459776.

The previous prime is 4020021301259. The next prime is 4020021301313. The reversal of 4020021301301 is 1031031200204.

It can be written as a sum of positive squares in 3 ways, for example, as 1787103754276 + 2232917547025 = 1336826^2 + 1494295^2 .

It is a de Polignac number, because none of the positive numbers 2k-4020021301301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4020021301301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020021307301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6955053866 + ... + 6955054443.

It is an arithmetic number, because the mean of its divisors is an integer number (711733875195).

Almost surely, 24020021301301 is an apocalyptic number.

It is an amenable number.

4020021301301 is a deficient number, since it is larger than the sum of its proper divisors (250381949869).

4020021301301 is a wasteful number, since it uses less digits than its factorization.

4020021301301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13910108343 (or 13910108326 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 4020021301301 its reverse (1031031200204), we get a palindrome (5051052501505).

The spelling of 4020021301301 in words is "four trillion, twenty billion, twenty-one million, three hundred one thousand, three hundred one".

Divisors: 1 17 289 13910108309 236471841253 4020021301301