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47200139520 = 283512291703
BaseRepresentation
bin101011111101010110…
…001111100100000000
311111211110101112002120
4223331112033210000
51233131213431040
633403342444240
73260443365132
oct537526174400
9144743345076
1047200139520
1119021280476
129193293680
1345b2991151
1423da945052
151363b867d0
hexafd58f900

47200139520 has 72 divisors (see below), whose sum is σ = 150745457856. Its totient is φ = 12586702848.

The previous prime is 47200139507. The next prime is 47200139521. The reversal of 47200139520 is 2593100274.

47200139520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47200139521) 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, 6142012 + ... + 6149691.

Almost surely, 247200139520 is an apocalyptic number.

47200139520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47200139520 is an abundant number, since it is smaller than the sum of its proper divisors (103545318336).

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

47200139520 is a wasteful number, since it uses less digits than its factorization.

47200139520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291727 (or 12291713 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

Adding to 47200139520 its reverse (2593100274), we get a palindrome (49793239794).

The spelling of 47200139520 in words is "forty-seven billion, two hundred million, one hundred thirty-nine thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 12291703 24583406 36875109 49166812 61458515 73750218 98333624 122917030 147500436 184375545 196667248 245834060 295000872 368751090 393334496 491668120 590001744 737502180 786668992 983336240 1180003488 1475004360 1573337984 1966672480 2360006976 2950008720 3146675968 3933344960 4720013952 5900017440 7866689920 9440027904 11800034880 15733379840 23600069760 47200139520