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20450212040501 = 316079108518549
BaseRepresentation
bin1001010011001011011111…
…00111111100111100110101
32200102000120102211211011022
410221211233213330330311
510140024013240244001
6111254410412350525
74210323214151345
oct451455747747465
980360512754138
1020450212040501
116574982619671
12236347a775445
13b545a65a3639
14509b1cd88d25
15256e54a5b11b
hex12996f9fcf35

20450212040501 has 8 divisors (see below), whose sum is σ = 21113369088000. Its totient is φ = 19787272042320.

The previous prime is 20450212040491. The next prime is 20450212040539. The reversal of 20450212040501 is 10504021205402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20450212040501 - 26 = 20450212040437 is a prime.

It is a super-2 number, since 2×204502120405012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450212040561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54070826 + ... + 54447723.

It is an arithmetic number, because the mean of its divisors is an integer number (2639171136000).

Almost surely, 220450212040501 is an apocalyptic number.

It is an amenable number.

20450212040501 is a deficient number, since it is larger than the sum of its proper divisors (663157047499).

20450212040501 is a wasteful number, since it uses less digits than its factorization.

20450212040501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108524659.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 20450212040501 its reverse (10504021205402), we get a palindrome (30954233245903).

The spelling of 20450212040501 in words is "twenty trillion, four hundred fifty billion, two hundred twelve million, forty thousand, five hundred one".

Divisors: 1 31 6079 188449 108518549 3364075019 659684259371 20450212040501