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538250800020 = 22358970846667
BaseRepresentation
bin1111101010100100011…
…11110110101110010100
31220110022121211200110120
413311102033312232110
532304314201100040
61051134034351540
753613233211633
oct7652217665624
91813277750416
10538250800020
111982a85a971a
128839712b5b0
133b9ab9b885b
141c0a137d51a
15e003c987d0
hex7d523f6b94

538250800020 has 24 divisors (see below), whose sum is σ = 1507102240224. Its totient is φ = 143533546656.

The previous prime is 538250800019. The next prime is 538250800033. The reversal of 538250800020 is 20008052835.

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, 4485423274 + ... + 4485423393.

It is an arithmetic number, because the mean of its divisors is an integer number (62795926676).

Almost surely, 2538250800020 is an apocalyptic number.

It is an amenable number.

538250800020 is an abundant number, since it is smaller than the sum of its proper divisors (968851440204).

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

538250800020 is a wasteful number, since it uses less digits than its factorization.

538250800020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8970846679 (or 8970846677 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 538250800020 its reverse (20008052835), we get a palindrome (558258852855).

The spelling of 538250800020 in words is "five hundred thirty-eight billion, two hundred fifty million, eight hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 8970846667 17941693334 26912540001 35883386668 44854233335 53825080002 89708466670 107650160004 134562700005 179416933340 269125400010 538250800020