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20341143420031 = 724992549326369
BaseRepresentation
bin1001010000000000010101…
…01000001011110001111111
32200000121001020222211022101
410220000022220023301333
510131232130203420111
6111132331533325531
74166412332162200
oct450001250136177
980017036884271
1020341143420031
1165326a3193805
1223462bb9368a7
13b47214038ca5
1450473376d5a7
152541be5dcbc1
hex12800aa0bc7f

20341143420031 has 24 divisors (see below), whose sum is σ = 23718939750000. Its totient is φ = 17393445748224.

The previous prime is 20341143419981. The next prime is 20341143420071. The reversal of 20341143420031 is 13002434114302.

It is a happy number.

It is not a de Polignac number, because 20341143420031 - 223 = 20341135031423 is a prime.

It is a super-2 number, since 2×203411434200312 (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 (20341143420071) 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 23 ways as a sum of consecutive naturals, for example, 62162415 + ... + 62488783.

It is an arithmetic number, because the mean of its divisors is an integer number (988289156250).

Almost surely, 220341143420031 is an apocalyptic number.

20341143420031 is a deficient number, since it is larger than the sum of its proper divisors (3377796329969).

20341143420031 is a wasteful number, since it uses less digits than its factorization.

20341143420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329431 (or 329424 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20341143420031 its reverse (13002434114302), we get a palindrome (33343577534333).

The spelling of 20341143420031 in words is "twenty trillion, three hundred forty-one billion, one hundred forty-three million, four hundred twenty thousand, thirty-one".

Divisors: 1 7 49 499 2549 3493 17843 24451 124901 326369 1271951 2284583 8903657 15992081 62325599 162858131 831914581 1140006917 5823402067 7980048419 40763814469 415125375919 2905877631433 20341143420031