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51201351350 = 2521258981343
BaseRepresentation
bin101111101011110101…
…101001111010110110
311220011022101010212022
4233223311221322312
51314330021220400
635304354353142
73461550206552
oct575365517266
9156138333768
1051201351350
111a794912106
129b0b28b7b2
134a9c918306
14269a0d2862
1514ea09ab85
hexbebd69eb6

51201351350 has 24 divisors (see below), whose sum is σ = 95243249280. Its totient is φ = 20478661920.

The previous prime is 51201351293. The next prime is 51201351371. The reversal of 51201351350 is 5315310215.

It is a happy number.

It is a super-2 number, since 2×512013513502 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 588779 + ... + 670121.

It is an arithmetic number, because the mean of its divisors is an integer number (3968468720).

Almost surely, 251201351350 is an apocalyptic number.

51201351350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51201351350 is a deficient number, since it is larger than the sum of its proper divisors (44041897930).

51201351350 is a wasteful number, since it uses less digits than its factorization.

51201351350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93944 (or 93939 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 51201351350 its reverse (5315310215), we get a palindrome (56516661565).

The spelling of 51201351350 in words is "fifty-one billion, two hundred one million, three hundred fifty-one thousand, three hundred fifty".

Divisors: 1 2 5 10 25 50 12589 25178 62945 81343 125890 162686 314725 406715 629450 813430 2033575 4067150 1024027027 2048054054 5120135135 10240270270 25600675675 51201351350