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51004342000 = 245325502171
BaseRepresentation
bin101111100000000110…
…000111111011110000
311212122120200000211201
4233200012013323300
51313424102421000
635233040020544
73453635516353
oct574006077360
9155576600751
1051004342000
111a6a3692067
129a75301754
134a6ab6a331
14267bc8c29a
1514d7b3296a
hexbe0187ef0

51004342000 has 40 divisors (see below), whose sum is σ = 123328503792. Its totient is φ = 20401736000.

The previous prime is 51004341967. The next prime is 51004342003. The reversal of 51004342000 is 24340015.

51004342000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51004342003) 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, 12749086 + ... + 12753085.

Almost surely, 251004342000 is an apocalyptic number.

51004342000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51004342000 is an abundant number, since it is smaller than the sum of its proper divisors (72324161792).

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

51004342000 is a wasteful number, since it uses less digits than its factorization.

51004342000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25502194 (or 25502178 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 51004342000 its reverse (24340015), we get a palindrome (51028682015).

The spelling of 51004342000 in words is "fifty-one billion, four million, three hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 25502171 51004342 102008684 127510855 204017368 255021710 408034736 510043420 637554275 1020086840 1275108550 2040173680 2550217100 3187771375 5100434200 6375542750 10200868400 12751085500 25502171000 51004342000