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20450441002012 = 2273719739807917
BaseRepresentation
bin1001010011001011111010…
…10001010111110000011100
32200102001011101200021022021
410221211331101113300130
510140030000344031022
6111254445232025524
74210331664250540
oct451457521276034
980361141607267
1020450441002012
116574a8a89285a
1223635233922a4
13b54611b5b018
14509b41549a20
15256e69bd67c7
hex12997d457c1c

20450441002012 has 24 divisors (see below), whose sum is σ = 42006311249504. Its totient is φ = 8527597019712.

The previous prime is 20450441002007. The next prime is 20450441002027. The reversal of 20450441002012 is 21020014405402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9869902923 + ... + 9869904994.

Almost surely, 220450441002012 is an apocalyptic number.

It is an amenable number.

20450441002012 is an abundant number, since it is smaller than the sum of its proper divisors (21555870247492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20450441002012 is a wasteful number, since it uses less digits than its factorization.

20450441002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19739807965 (or 19739807963 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 20450441002012 its reverse (21020014405402), we get a palindrome (41470455407414).

The spelling of 20450441002012 in words is "twenty trillion, four hundred fifty billion, four hundred forty-one million, two thousand, twelve".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 19739807917 39479615834 78959231668 138178655419 276357310838 552714621676 730372892929 1460745785858 2921491571716 5112610250503 10225220501006 20450441002012