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51025035201 = 37210925712391
BaseRepresentation
bin101111100001010101…
…000011111111000001
311212201000121100120120
4233201111003333001
51313444402111301
635235055330453
73454306433400
oct574125037701
9155630540516
1051025035201
111a704336188
129a80220a29
134a7223412a
142680917637
1514d986de36
hexbe1543fc1

51025035201 has 48 divisors (see below), whose sum is σ = 80184170880. Its totient is φ = 28774932480.

The previous prime is 51025035181. The next prime is 51025035289. The reversal of 51025035201 is 10253052015.

It is a happy number.

It is not a de Polignac number, because 51025035201 - 26 = 51025035137 is a prime.

It is a super-2 number, since 2×510250352012 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51025035301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4111716 + ... + 4124106.

It is an arithmetic number, because the mean of its divisors is an integer number (1670503560).

Almost surely, 251025035201 is an apocalyptic number.

It is an amenable number.

51025035201 is a deficient number, since it is larger than the sum of its proper divisors (29159135679).

51025035201 is a wasteful number, since it uses less digits than its factorization.

51025035201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12774 (or 12767 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 51025035201 its reverse (10253052015), we get a palindrome (61278087216).

The spelling of 51025035201 in words is "fifty-one billion, twenty-five million, thirty-five thousand, two hundred one".

Divisors: 1 3 7 21 49 109 147 257 327 763 771 1799 2289 5341 5397 12391 12593 16023 28013 37173 37779 84039 86737 196091 260211 588273 607159 1350619 1372637 1821477 3184487 4051857 4117911 9454333 9553461 22291409 28362999 66180331 66874227 156039863 198540993 347109083 468119589 1041327249 2429763581 7289290743 17008345067 51025035201